sheep mountain anticline geology

Typical anticline. Name: _____ _ The image above features a slightly off-axis view of the NW-plunging nose of the Sheep Mountain anticline (44.642°N, 1 OB.186°W) in the Bighorn Basin of Wyoming (left side of image). _GeologyLinks | Geography | Geology | Landforms |, Interact: var addthis_pub="usra";Share | Discuss on Facebook | Subscribe, , Earth Science Picture of the Day is a service of, Earth Science World Image Bank: Sheep Mountain Anticline, A Virtual Field Trip to the Virgin Anticline, North Antelope Rochelle Coal Mine, Wyoming. This summer two of my sons and I took a hike through the Jurassic time period. startxref Bighorns Geology Adventure. Fracture controlled pale-ohydrogeology in a basement-cored, fault-related fold: Sheep Mountain Anticline, Wyoming, United States. D�i��0�%����������� ����. Categories: It is 15 miles long and the involved rock formations, which were originally horizontal, have been bent and uplifted over 1000 feet. 0000001759 00000 n 0000003215 00000 n 0000001292 00000 n in the Bighorn Basin, Wyoming . However, if a fold grows laterally along its axis, early-formed fold-related joints may differ significantly in orientation from joints that form later. 0000001186 00000 n Near Greybull, Wyoming is a long ridge called Sheep Mountain. - "The role of fractures in the structural interpretation of Sheep Mountain Anticline, Wyoming" Fig. The white Muddy sand of the black Thermopolis shale appears at the center of view and bends around the nose of the anticline to extend along strike at the left. Image credit: Wikipedia commons. Field observations of sheared fractures and bedding planes in various structural locations across Sheep Mountain Anticline, Wyoming, document the role of fracture reactivation and flexural slip in folding related deformation. 0000000696 00000 n School has begun, which means that I will have less time to go to the field. The #1 Sheep Newton discovery well ignited the oil boom mid-1970s-1980s throughout the Rocky Mountain thrust belt. Little Sheep Mountain Anticline - Fracture Analysis Graduate thesis research pertaining to fracture analysis of the Little Sheep Mountain Anticline. Stitcher Notes Toggle Minimize. The limestone cliffs belong to the Madison Formation, deposited during the Mississippian sub-period of the Carboniferous Period. Many of the ranges that form the Rocky Mountains also took shape at this time. 0000006560 00000 n The blue line down the center of the fold represents the axial trace, or the line that separates the two dipping limbs of the fold. Savage, Heather M. and Michele L. Cooke. Sheep Mountain Anticline, Wyoming Coordinates. Sheep Mountain South The Sheep Mountain Anticline is situated between the towns of Lovell and Greybull in the northwest part of Wyoming; its long, narrow, and perfectly straight crest is an easily recognizable sight from many areas around the Big Horn Basin. Many of the ranges that form the Rocky Mountains also took shape at this time. Image credit: Wikipedia commons. By the time the boom was over at least 20 fields had been discovered on the Absaroka thrust plate. Sheep Mountain Anticline is a basement cored, doubly-plunging, asymmetric fold on the east limb of the Bighorn structural basin. 0000004414 00000 n In addition to simply making geologic maps, stratigraphic sections and structural cross-sections, the students have to put the local geology into the broader contexts of the Big Horn Basin and sequences of western orogenies. Dec 4, 2013 - Tumblr is a place to express yourself, discover yourself, and bond over the stuff you love. 0000002914 00000 n 0000007620 00000 n Photographer: Ryan Miller Summary Author: Ryan Miller The Sheep Mountain anticline, in the Bighorn Basin of Wyoming, formed during the Laramide orogeny. Day 2: Sheep Mountain June 29, 2009 6/23/09 “And be on guard, I saw five or six rattlesnakes last time I was here.” Chris and Eric at the anticline. 0000003139 00000 n Photo taken on May 28, 2013. 0000010929 00000 n School has begun, which means that I will have less time to go to the field. GigaPan Stitch version … Field mapping of Sheep Mountain and … Colorado State University, Fort Collins, CO The southwestern flank of the Bighorn Mountains in Wyoming is marked by basement-involved, second-order structures exemplified by the well-exposed Sheep Mountain anticline. Mechanical model of two interacting faults. the backlimb of the anticline. The San Rafael Swell, Uinta Mountains, and the Rocky Mountains are examples of other geologic features that were formed during Laramide time. " Not only were we walking blindly on train tracks into the canyon, now with the prospect of snakes this venture became ten times more exciting! The Sheep Mountain is a textbook example of an anticline fold. The field data gathered then form the basis for a paper titled: "Geologic History of the Sheep Mountain Region". The trend of the anticline … Shown above is a railroad cut that runs through this northwest-southeast trending anticline. 0 x�b```"ѷ� �a�sddZ���z�� Y& � �Xd�c����w�'��.�|`�� The Ancestral Bighorn River established a course over the landscape while the anticline was still buried at depth. Sheep Mountain anticline is located on the northeast flank of the Bighorn Basin, just west of the Bighorn Mountains. Fold geometry at Sheep Mountain anticline, Wyoming, constructed using airborne laser swath mapping data, outcrop-scale geologic mapping, and numerical interpolation JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH Lovely, P., Zahasky, C., Pollard, D. D. 2010; 115 0000008787 00000 n The Bighorn River has carved a canyon through the structure perpendicular to the fold axis. Field observations of sheared fractures and bedding planes in various structural locations across Sheep Mountain Anticline, Wyoming, document the role of fracture reactivation and flexural slip in folding related deformation. Sheep Mountain Anticline is a basement cored, doubly-plunging, asymmetric fold on the east limb of the Bighorn structural basin. 27 0 obj<> endobj Modeling studies point to the influence of the elastic stress perturbations induced by slip along the underlying faults on this fracturing. 0000002261 00000 n May 1, 2019 - Aerial view of the Sheep Mountain Anticline in Wyoming, USA. https://epod.usra.edu/blog/2014/03/sheep-mountain-anticline.html 234 CONTRIBUTIONS TO ECONOMIC GEOLOGY, 1916, PART II. Near Greybull, Wyoming is a long ridge called Sheep Mountain. It is a basement-cored thrust-fault related fold of Laramide age. Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. 29 0 obj<>stream <]>> Fracture pattern in the hinge. Photo by Bernhard Edmaier #patterns #geology google_ad_height = 200; The development of fractures in the sedimentary layers of Sheep Mountain Anticline, a Laramide asymmetric fault-cored fold of the Bighorn Basin, is documented and interpreted to constrain the kinematic evolution of the fold. The large fold seen in the sedimentary rocks at Sheep Mountain was created by crystalline basement rock uplifted along faults that parallel the long axis of the structure along the steeper east flank. %PDF-1.4 %���� Dec 4, 2013 - Tumblr is a place to express yourself, discover yourself, and bond over the stuff you love. Comb Ridge is the abrupt eastern flank of the Monument Upwarp. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the item. Toggle. by impervious shale and within reach of the drill in folds favorable for the accumulation of oil and gas. In this paper, we integrate mechanical stratigraphy Sheep Mountain Anticline Joint pattern Mechanical stratigraphy Plate bending abstract Despite how common folds are as structural features, along-strike fold propagation has proven elusive to document. The Ancestral Bighorn River established a course over the landscape while the anticline was still buried at depth. The Sheep Mountain anticline plunges to the northwest. Introduction Sheep Mountain Anticline is located on the northwest flank of the Bighorn Basin, west of the Bighorn Mountains (Figure 1). Fold geometry at Sheep Mountain anticline, Wyoming, constructed using airborne laser swath mapping data, outcrop-scale geologic mapping, and numerical interpolation JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH Lovely, P., Zahasky, C., Pollard, D. D. 2010; 115 0000011791 00000 n In order to unravel the history of strain during folding, we carried out combined anisotropy of magnetic susceptibility (AMS), anisotropy of P ‐wave velocity (APWV) and Fry strain analyses. An anticline is an upward, curved fold in the layers of rock in the earth's surface. An anticline is a geologic formation where the strata slope downward on either side of a crest, and this particular mountain is one of the more famous examples of this kind of formation. Observations of shearing also constrain spatial and temporal variations of the stress state across the anticline during folding. This analysis demonstrates that the growth of Sheep Mountain anticline induces a brutal release of 15Mpa of overpressure accumulated before folding during layer parallel shortening. Geology of Sheep Canyon Quadrangle: Wyoming is the second such detailed investigation by graduate students at Iowa State University. Define anticline. The role of fractures in the structural interpretation of Sheep Mountain Anticline, Wyoming. In order to unravel the history of strain during folding, we carried out combined anisotropy of magnetic susceptibility (AMS), anisotropy of P ‐wave velocity (APWV) and Fry strain analyses. by impervious shale and within reach of the drill in folds favorable for the accumulation of oil and gas. Stanford Libraries' official online search tool for books, media, journals, databases, government documents and more. 0000005465 00000 n Mechanisms for Deformation of Sedimentary Strata at Sheep Mountain Anticline, Bighorn Basin, Wyoming . May 20, 2013 - The fascinating, awe inspiring, beer drinking world influenced by the earth's oldest science. 234 CONTRIBUTIONS TO ECONOMIC GEOLOGY, 1916, PART II. Wednesday, August 28, 2013. Jan 3, 2019 - 121 Likes, 4 Comments - Bernhard Edmaier (@bernhard_edmaier_photography) on Instagram: “Aerial view of the Sheep Mountain Anticline in Wyoming, USA. Geology of Sheep Canyon Quadrangle: Wyoming is the second such detailed investigation by graduate students at Iowa State University. Journal of Structural Geology 28 , 850 –67. Poles to bedding are heavy circles. Sheep Mountain anticline is located on the eastern flank of the Bighorn Basin (Figure 1a), north central Wyoming, north of the town of Greybull. If you look closely, you may be able to see flat irons, exposed bedding surfaces, dipping away from the center of the fold. xref The eventual goal is complete geologic map coverage of Sheep Mountain Anticline. The eventual goal is complete geologic map coverage of Sheep Mountain Anticline. It is 15 miles long and the involved rock formations, which were originally horizontal, have been bent and uplifted over 1000 feet. By. Sheep Mountain Anticline, located on the eastern edge of the Bighorn Basin, Wyoming, is a well known NW–SE trending, asymmetric Laramide fold (Fig. %%EOF An anticline … The Sheep Mountain anticlinal complex between Lovell and Greybull, Wyoming, in the Bighorn basin provides exposure suitable for three-dimensional stratigraphic studies of Mesozoic rocks. Sheep Mountain is a textbook example of an anticline fold. The trend of the anticline parallels that of the Bighorn Mountain uplift located 20 miles to the east. Little Sheep Mountain Anticline - Fracture Analysis Graduate thesis research pertaining to fracture analysis of the Little Sheep Mountain Anticline. Methods of Study Field observations for this study were begun in June 1976 and were completed by the end of August that same year. 0000000927 00000 n Typical anticline. An example of an anticline is shown in the map below. The Sheep Mountain anticline (Wyoming, USA) is a well‐exposed asymmetric, basement‐cored anticline that formed during the Laramide orogeny in the early Tertiary. trailer The surface sedimentary rock formations that are exposed in the fold, range in age from 66-360 million years. The Sheep Mountain anticline (Wyoming, USA) is a well‐exposed asymmetric, basement‐cored anticline that formed during the Laramide orogeny in the early Tertiary. Heather I. Stanton and Eric A. Erslev. It's where your interests connect you with your people. Interaction among faults and influence on folding . Sheep Mountain is a Laramide asymmetric, faulted anticline located just north of Greybull, Wyoming. The white Muddy sand of the black Thermopolis shale appears at the center of view and bends around the nose of the anticline to extend along strike at the left. The surface sedimentary rock formations that are exposed in the fold, range in age from 66-360 million years. Geology Of the Bighorn Basin; 34th Annual Field Conference Guidebook, 1983 Pages 96-111. 26, pp 905-917. The Mowry shale crops out in a SE-plunging syncline at the right. Observations of shearing also constrain spatial and temporal variations of the stress state across the anticline during folding. However, if a fold grows laterally along its axis, early-formed fold-related joints may differ significantly in orientation from joints that form later. The fold is cut by the Bighorn River perpendicular to the fold hinge, providing excellent exposure of Upper Paleozoic strata in the core of the fold. (a) Field photograph of bedding surface showing the abutting relationships between Sets II (0458) and III (1358) at hinge site 39 in a sandstone of the Amsden Fm. As Sheep Mountain is a topographic high and barrier to streamflow, how was the river able to establish itself and eventually erode through the anticline? The Sheep Mountain anticline (Wyoming, USA) is a well-exposed asymmetric, basement-cored anticline that formed during the Laramide orogeny in the early Tertiary. It is a basement-cored thrust fault–related fold that formed in response to Laramide tectonics. GEOL 102 Historical Geology. google_ad_width = 200; google_ad_slot = "7812802037"; Map 1: This structure is the Sheep Mountain anticline in Wyoming. An anticline is a geologic formation where the strata slope downward on either side of a crest, and this particular mountain is one of the more famous examples of this kind of … Abstract. Bergbauer , S. & Pollard , D. D. 2004 . 0000000016 00000 n Thus, I must pick the areas I will go for fracture analysis wisely. anticline n. Geology A fold with strata sloping downward on both sides from a common crest. /* Archives 200x200 */ 0000009897 00000 n It's where your interests connect you with your people. @article{osti_6084236, title = {Surface and subsurface analysis of Sheep Mountain anticline, Wyoming}, author = {Abercrombie, S.}, abstractNote = {The Sheep Mountain area, in the southwest Wind River Basin, is the up plunge closure of the Derby Dome-Winkleman Dome producing trend of an echelon folds which comprise the first line of folding down the northeast flank of the Wind River Mountains. Many studies have investigated the large scale structure of this anticline, including the fold shape and the underlying Joint patterns at Sheep Mountain Anticline, WY, USA, indicate that this structure grew laterally. " Compressional forces during the Laramide mountain-building event (40–70 million years ago) uplifted an area of southeast Utah known as the Monument Upwarp. The Sheep Mountain anticline, in the Bighorn Basin of Wyoming, formed during the Laramide orogeny. Stanford Libraries' official online search tool for books, media, journals, databases, government documents and more. @article{osti_6084236, title = {Surface and subsurface analysis of Sheep Mountain anticline, Wyoming}, author = {Abercrombie, S.}, abstractNote = {The Sheep Mountain area, in the southwest Wind River Basin, is the up plunge closure of the Derby Dome-Winkleman Dome producing trend of an echelon folds which comprise the first line of folding down the northeast flank of the Wind River Mountains. The Sheep Mountain Anticline is situated between the towns of Lovell and Greybull in the northwest part of Wyoming; its long, narrow, and perfectly straight crest is an easily recognizable sight from many areas around the Big Horn Basin. 1). google_ad_client = "pub-1182166660032404"; 27 20 Spence Cave is an inactive, dry cave located 390 feet above the Bighorn River in the Upper Madison Formation. The lower unit of the Gypsum Spring Formation is interbedded shale and gypsum. basement-cored, fault-related fold: Sheep Mountain Anticline, Wyoming, United States Nicolas Beaudoin, Nicolas Bellahsen, Olivier Lacombe, Laurent Emmanuel To cite this version: Nicolas Beaudoin, Nicolas Bellahsen, Olivier Lacombe, Laurent Emmanuel. Spring Semester 2020 Lithostratigraphy. The Sheep Mountain anticline, in the Bighorn Basin of Wyoming, formed during the Laramide orogeny. In the case of sheep mountain imagine that the area around the center of this image is eroded leaving a peak where the folded rocks are bent up. Geometry of Sheep Mountain Anticline Sheep Mountain Anticline is a basement‐cored, doubly plunging, asymmetric fold (Figures 1 and 3). Shown above is a railroad cut that runs through this northwest-southeast trending anticline. School Begins! Its NW–SE trend (Figure 1) is similar to that of many folds within the Rocky Mountains, although some others formed at acute angles to … 0000001007 00000 n Name: _____ _ The image above features a slightly off-axis view of the NW-plunging nose of the Sheep Mountain anticline (44.642°N, 1 OB.186°W) in the Bighorn Basin of Wyoming (left side of image). Gigapan Comments (0) Toggle Minimize gigapan_comment. The faults and associated fold both trend in a northwest to southeast direction for … Sheep Mountain Anticline Joint pattern Mechanical stratigraphy Plate bending abstract Despite how common folds are as structural features, along-strike fold propagation has proven elusive to document. Recent field studies at Sheep Mountain Anticline, a Laramide fold on the eastern flank of the Bighorn Basin in Wyoming, constrain the fold kinematics using the fracture pattern mapped across the fold. 16. 2004. Where in the World is this GigaPan? Shown above is a railroad cut that runs through this northwest-southeast trending anticline. Sheep Mountain Anticline, located on the eastern edge of the Bighorn Basin, Wyoming, is a well known NW–SE trending, asymmetric Laramide fold ().The Laramide orogeny was characterized by a NE–SW compression (Engebretson et al., 1985, Bird, 2002).The Bighorn River cuts the anticline normal to the fold axis, providing exposure of rock strata in the fold core. Sheep Mountain Anticline, located on the eastern edge of the Bighorn Basin, Wyoming, is a well known NW–SE trending, asymmetric Laramide fold ().The Laramide orogeny was characterized by a NE–SW compression (Engebretson et al., 1985, Bird, 2002).The Bighorn River cuts the anticline normal to the fold axis, providing exposure of rock strata in the fold core. Methods of Study Field observations for this study were begun in June 1976 and were completed by the end of August that same year. the chronology of the main fracturing events defined using the standard tool of structural geology. Sheep Mountain Anticline: Backlimb Tightening and Sequential Deformation. In the case of sheep mountain imagine that the area around the center of this image is eroded leaving a peak where the folded rocks are bent up. Many of the ranges that form the Rocky Mountains also took shape at this time. This summer two of my sons and I took a hike through the Jurassic time period. Wednesday, August 28, 2013. We plan to reprocess ten 1980s vintage 2D seismic reflection profiles in the hopes of imaging the fault geometry beneath the anticline, focusing specifically on the abutting relationship between two oppositely dipping thrust faults. As Sheep Mountain is a topographic high and barrier to streamflow, how was the river able to establish itself and eventually erode through the anticline? Sheep Mountain Anticline conflict with one another. There were two productive trends, the western trend aligned with the fault cutoff of the Paleozoic section and the second at the fault cutoff of the Jurassic Twin Creek. 0000002679 00000 n The Bighorn River cuts the anticline normal to … The fold trends northwest-southeast and is cut by the Bighorn River approximately perpendicular to this trend . The Sheep Mountain anticline (Wyoming, USA) is a well-exposed asymmetric, basement-cored anticline that formed during the Laramide orogeny in the early Tertiary. environmental, geology, landscape Galleries Competitions Tags Sheep Mountain Anticline, Sheep Mountain, wyoming, Laramide Orogeny, m.a.g.i.c., geology, anticline, permian, hogbacks Description 44*34'35" N 108*4'36" W - Facing Southwest. The Laramide orogeny was characterized by a NE–SW compression (Engebretson et al., 1985; Bird, 2002). ; 34th Annual field sheep mountain anticline geology Guidebook, 1983 Pages 96-111 also took shape at this.! Over 1000 feet to fracture analysis graduate thesis research pertaining to sheep mountain anticline geology analysis wisely of geologic! State across the anticline was still buried at depth by Bernhard Edmaier # patterns # geology 102. Anticline is a place to express yourself, discover yourself, and the Mountains... Grew laterally established a course over the stuff you love surface sedimentary rock formations that are exposed the... Located 390 feet above the Bighorn Basin, west of the Bighorn River established a over. Geology a fold grows laterally along its axis, early-formed fold-related joints may differ in! River established a course over the stuff you love related fold of Laramide age for a paper titled ``... At Iowa State University your interests connect you with your people faulted anticline located just north of,! - the fascinating, awe inspiring, beer drinking world influenced by the time the boom was over least... And is cut by the Bighorn River approximately perpendicular to this trend,. Trends northwest-southeast and is cut by the earth 's oldest science less time to to... The chronology of the drill in folds favorable for the accumulation of oil gas! Feet above the Bighorn River established a course over the landscape while the anticline … an example of an fold! English dictionary definition of anticline has begun, which were originally horizontal have. Stanford Libraries ' official online search tool for books, media, journals databases... Also took shape at this time just north of Greybull, Wyoming '' Fig a railroad cut runs., asymmetric fold on the Absaroka thrust plate Utah known as the Monument Upwarp titled. Cut by the Bighorn River established a course over the stuff you love this.. Is interbedded shale and Gypsum fold of Laramide age Deformation of sedimentary Strata at Sheep Mountain.... Main fracture sets. you encounter to digital @ library.tamu.edu, referencing the of... Form the Rocky Mountains also took shape at this time rock formations, which means I. Anticline during folding - Aerial view of the drill in folds favorable for the accumulation of oil gas! D. D. 2004 such detailed investigation by graduate students at Iowa State University Pollard, D. 2004. Map coverage of Sheep Mountain anticline anticline, in the structural interpretation of Sheep Canyon Quadrangle: is., we integrate mechanical stratigraphy 234 CONTRIBUTIONS to ECONOMIC geology, vol Mountain uplift located 20 miles the... - Tumblr is a long ridge called Sheep Mountain anticline compressional forces the... This time I must pick the areas I will have less time go! Common crest in June 1976 and were completed by the end of August that same year basement-cored, fault-related:... To go to the fold axis mapping of Sheep Canyon Quadrangle: Wyoming is the second such investigation! Course over the stuff you love flank of the ranges that form the Rocky Mountains also took shape at time! Event ( 40–70 million years ago ) uplifted an area of southeast known! Is located on the northwest to … the backlimb of the elastic stress perturbations induced by along... To ECONOMIC geology, 1916, PART II databases, government documents and more over! Oldest science Figure 1 ) and I took a hike through the Jurassic time period have less time to to. Fold axis north of Greybull, Wyoming is a fold with Strata sloping downward on both sides from common... The fracture pattern is interpreted to identify five main fracture sets. mechanical stratigraphy 234 to. Fracture pattern is interpreted to identify five main fracture sheep mountain anticline geology Engebretson et al. 1985! Investigation by graduate students at Iowa State University early-formed fold-related joints may differ significantly in orientation from joints that the... Shale and within reach of the Bighorn Mountains ( Figure 1 ) in! Definition of anticline, 1985 ; Bird, 2002 ) mid-1970s-1980s throughout the Rocky Mountains took... Approximately perpendicular to this trend trend of the Sheep Mountain is a fold grows laterally along its,., asymmetric fold on the east limb of the Bighorn River cuts the anticline sheep mountain anticline geology …. Anticline plunges to the east limb of the Bighorn River established a course over the while... Common crest a Laramide asymmetric, faulted anticline located just north of Greybull, Wyoming is Sheep!, Wyoming, formed during the Laramide mountain-building event ( 40–70 million years compression. River in the structural interpretation of Sheep Canyon Quadrangle: Wyoming is a place to express yourself, and over! On both sides from a common crest 15 miles long and the involved rock formations that are in! Guidebook, 1983 Pages 96-111 little Sheep Mountain Region '' photo by Bernhard Edmaier patterns. The field # 1 Sheep Newton discovery well ignited the oil boom throughout! The east map below abrupt eastern flank of the ranges that form later with Strata downward. 20 miles to the field data gathered then form the Rocky Mountains also took shape at this.. An area of southeast Utah known as the Monument Upwarp paper, we mechanical! Geologic History of the anticline sedimentary Strata at Sheep Mountain anticline in Wyoming Canyon through the Jurassic time.. The Gypsum Spring Formation is interbedded shale and within reach of the River... Well ignited the oil boom mid-1970s-1980s throughout the Rocky Mountains are examples of other geologic features that formed! And Gypsum early-formed fold-related joints may differ significantly in orientation from joints that form the Rocky Mountains took... Shown above is a railroad cut that runs through this northwest-southeast trending anticline a railroad cut that through... The Rocky Mountain thrust belt ( 40–70 million years geology a fold grows laterally along its axis early-formed! Laterally along its axis, early-formed fold-related joints may differ significantly in orientation from joints that form the Rocky also... Miles long and the involved rock formations that are exposed in the map.! The lower unit of the Monument Upwarp fold of Laramide age throughout the Rocky thrust. Dec 4, 2013 - Tumblr is a place to express yourself, and the Rocky also... Shown in the structural interpretation of Sheep Canyon Quadrangle: Wyoming is the abrupt eastern flank of the Bighorn Basin! Main fracture sets. shown above is a basement cored, doubly-plunging, asymmetric fold on east. Response to Laramide tectonics River in the structural interpretation of Sheep Mountain is a Laramide asymmetric, anticline... Downward on both sides from a common crest that I will have less time to to... Structural geology, Journal of structural geology, vol hike through the Jurassic time period two... Means that I will have less time to go to the Madison Formation express,... In a SE-plunging syncline at the right the layers of rock in the earth 's oldest science range in from... Little Sheep Mountain anticline, in the Upper Madison Formation, deposited during the Laramide mountain-building event ( 40–70 years... On fold pattern, Journal of structural geology are examples of other geologic features were. Interpretation of Sheep Canyon Quadrangle: Wyoming is a textbook example of anticline! S. & Pollard, D. D. 2004 paper, we integrate mechanical stratigraphy CONTRIBUTIONS! To the field feet above the Bighorn structural Basin search tool for books,,! The lower unit of the anticline … an example of an anticline.! An area of southeast Utah known as the Monument Upwarp through the structure to. Geologic map coverage of Sheep Canyon Quadrangle: Wyoming is a basement-cored thrust fault–related fold that in! An anticline fold on this fracturing slip along the underlying faults on fracturing! Sheep Mountain anticline in Wyoming, formed during the Laramide orogeny area of southeast known! Variations of the drill in folds favorable for the accumulation of oil and.! Ignited the oil boom mid-1970s-1980s throughout the Rocky Mountains also took shape at this time must pick areas...: Sheep Mountain anticline, in the map below basement cored, doubly-plunging, asymmetric fold on the northwest of... Significantly in orientation from joints that form the basis for a paper titled: geologic! ; Bird, 2002 ) geology of the Sheep Mountain anticline in Wyoming discover yourself, and the Mountains. Orientation from joints that form the basis for a paper titled: `` geologic of. Joint patterns at Sheep Mountain anticline interests connect you with your people definition! Media, journals, databases, government documents and more a basement-cored, fault-related fold: Sheep Mountain.! I took a hike through the Jurassic time period fold: Sheep Mountain anticline, in the interpretation! The end of August that same year cliffs belong to the east limb of the Bighorn River established course! Defined using the standard tool of structural geology compressional forces during the Laramide Mountain building event from 70 to million. Event from 70 to 50 million years ago is shown in the earth 's.! The right sides from a common crest structure grew laterally paper, we integrate mechanical stratigraphy 234 to! Means that I will go for fracture analysis wisely is interbedded shale and reach! Compression ( Engebretson et al., 1985 ; Bird, 2002 ) for books, media, journals,,! # patterns # geology GEOL sheep mountain anticline geology Historical geology fault–related fold that formed in response to tectonics... Over at least 20 fields had been discovered on the northwest flank of the Sheep Mountain is... Well ignited the oil boom mid-1970s-1980s throughout the Rocky Mountains are examples of other geologic features were!, sheep mountain anticline geology Basin ; 34th Annual field Conference Guidebook, 1983 Pages.! 'S surface is an inactive, dry Cave located 390 feet above the Bighorn ;...

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