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Purgatoire Formation

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Series: SEPM Concepts in Sedimentology and Paleontology, SEPM Concepts in Sedimentology and Paleontology
Published: 01 January 1998
DOI: 10.2110/csp.98.06.0011
EISBN: 9781565762299
... boundary is overlain by transgressive facies of the Purgatoire Formation dated as 102.8 Ma. The upper Upper Albian sequence boundary between the Purgatoire and Dakota Formations marks a hiatus in deposition from 99.4 to 98.2 Ma. The Albian-Cenomanian intra-Dakota sequence boundary spans from 96.0 to 94.1...
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1970
AAPG Bulletin (1970) 54 (7): 1225–1244.
... Oklahoma, Tucumcari Formation in New Mexico, and Purgatoire Formation consisting of the Lytle Sandstone Member and the overlying Glencairn Shale Member in southeastern Colorado and parts of adjacent states. Recognition of four ammonite-bivalve zones indicates that the basal Kiowa and much of the Cheyenne...
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Journal Article
Published: 01 June 1969
Journal of Sedimentary Research (1969) 39 (2): 632–648.
...Lawrence L. Brady Abstract The Morrison Formation is predominantly claystone with interbedded sandstone, siltstone, and thin carbonate units. The maximum thickness is 350 feet. It lies conformably and unconformably upon different units and underlies unconformably the Purgatoire Formation...
Journal Article
Journal: AAPG Bulletin
Published: 01 April 1984
AAPG Bulletin (1984) 68 (4): 449–450.
...Erkan Atalik; Charles F. Mansfield ABSTRACT The Cretaceous Dakota Sandstone in Cimarron County comprises three sandstone units and intervening mudrocks; it overlies the Kiowa Shale Member of the Purgatoire Formation. Deposits include shoreface, beach (foreshore) and dune, estuarine and tidal...
Journal Article
Journal: GSA Bulletin
Published: 01 October 1986
GSA Bulletin (1986) 97 (10): 1163–1176.
...MARTIN G. LOCKLEY; KAREN J. HOUCK; NANCY K. PRINCE Abstract Little-known exposures of the Upper Jurassic Morrison Formation from the Purgatoire Valley of southeastern Colorado have yielded the world's largest continuously mapped assemblage of dinosaur trackways. Body fossils include plant...
Journal Article
Journal: AAPG Bulletin
Published: 01 December 1960
AAPG Bulletin (1960) 44 (12): 1895–1902.
... in the area of Huerfano Park and locally along the eastern front of the Sangre de Cristo Mountains as far south as the North Fork of the Purgatoire River. Fossil wood found near the top of the unit has been determined as Triassic(?) in age. The Johnson Gap formation and the Lykins(?) formation differ...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1985
AAPG Bulletin (1985) 69 (5): 842.
... and the Purgatoire and Raton Formations. Seismic data include explosive and Vibroseis data. Data quality is good in the basin center and is fair in the thrusted areas. Correlations are difficult from line to line. However, a strike line in the disturbed area would probably be more disrupted by out-of-the-plane...
Journal Article
Published: 01 September 2011
Bulletin de la Société Géologique de France (2011) 182 (5): 417–425.
... Plateaux . – Publ. Serv. Géol. Algérie, Alger, (Nouvelle.Série). , 34 , 47 – 80 . Basan P.B. & Scott R.W. ( 1979 ). – Morphology of Rhizocorallium and associated traces from the Lower Crestaceous Purgatoire formation, Colorado . – Palaegeog. Palaeoclimatol. Palaeoecol. , 28...
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Journal Article
Published: 01 July 2000
Journal of Sedimentary Research (2000) 70 (4): 868–878.
... a paleoflora similar to that seen in Nishnabotna strata of the lower Platte Valley, Nebraska. There are five species that have been reported in both the Bounds core and in the basal Dakota Formation at Ash Grove. Each of these species spans the Purgatoire-Dakota contact in the Bounds core...
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Series: AAPG Studies in Geology, AAPG Studies in Geology
Published: 01 January 2000
DOI: 10.1306/St46706C14
EISBN: 9781629810713
... Abstract Siliciclastic- and carbonate-dominated lacustrine systems are present within the Morrison Formation (Upper Jurassic), Western Interior basin, U.S.A. The siliciclastic dominated systems, common on the Colorado Plateau ,have been studied intensely in association with the extensive Lake T...
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Journal Article
Journal: PALAIOS
Published: 01 December 2014
PALAIOS (2014) 29 (12): 624–645.
... of Rhizocorallium and associated traces from the Lower Cretaceous Purgatoire Formation, Colorado : Palaeogeography, Palaeoclimatology, Palaeoecology , v. 28 , p. 5 – 23 . Baxter C.V. Fausch K.D...
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Journal Article
Journal: PALAIOS
Published: 01 May 2011
PALAIOS (2011) 26 (5): 275–283.
...DAVID L. JEFFERY; JANET L. BERTOG; JOHN R. BISHOP Abstract Stratal geometries, cyclical stacking patterns, and taphonomic analysis of the Aaron Scott Quarry in the Jurassic Morrison Formation indicate that sediments accumulated within a prograding fluvio-deltaic lacustrine system. Sediments were...
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Journal Article
Published: 01 July 2002
Geological Magazine (2002) 139 (4): 421–435.
...KOO-GEUN HWANG; MIN HUH; MARTIN G. LOCKLEY; DAVID M. UNWIN; JOANNA L. WRIGHT Abstract Numerous footprints of dinosaurs, pterosaurs and birds, together with arthropod tracks, have been discovered in the upper Cretaceous Uhangri Formation which crops out along the southwestern coastline of South...
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Journal Article
Published: 29 October 2019
Journal of Sedimentary Research (2019) 89 (10): 1017–1038.
...Susannah C.R. Maidment; Adrian Muxworthy ABSTRACT The fluvial, overbank, and lacustrine deposits of the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. have been intensively studied due to their diverse and well-preserved dinosaurian fauna, and the presence of economic quantities...
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Journal Article
Journal: AAPG Bulletin
Published: 01 December 1957
AAPG Bulletin (1957) 41 (12): 2603–2676.
... Lower Cretaceous age. At the south end of Front Range, where the middle shale is thick and upper and lower sandstones make separate scarps, the Dakota group is divided into (1) lower Purgatoire formation composed of basal Lytle sandstone and overlying Glencairne shale members and (2) an upper...
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Journal Article
Journal: AAPG Bulletin
Published: 01 July 1927
AAPG Bulletin (1927) 11 (7): 753–755.
... and Tertiary sediments and lavas Angular Unconformity Benton shales and limestones (present in places) Dakota sandstone (weathers brown) Purgatoire formation consisting of Rothrock’s Purgatoire formation is largely Morrison, although it includes the true Purgatoire formation, which should...
Journal Article
Published: 01 January 2012
Rocky Mountain Geology (2012) 47 (1): 37–53.
... the exposed section in Picket Wire Canyonlands is known to range from Permian to Cretaceous in age, the majority of the vertebrate fossils, including the famous Purgatoire River tracksite ( Lockley et al., 1986 ; Schumacher, 2002 ) and other Morrison Formation localities ( Schumacher, 2002 , 2008 ) are from...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1984
AAPG Bulletin (1984) 68 (5): 628–636.
...) in thickness. Strata of Cretaceous age have a maximum thickness of about 4,700 ft (1,430 m) in the Raton basin near the New Mexico-Colorado border. The following units, in ascending order, are present: Purgatoire Formation, Dakota Sandstone, Graneros Shale, Greenhorn Limestone, Carlile Shale, Niobrara...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1926
AAPG Bulletin (1926) 10 (9): 819–852.
...N. H. Darton Abstract The Permian is represented in the southwestern United States by limestones and sandstones, the latter in part red, and local deposits of gypsum and salt. In Arizona the principal formations are the Kaibab limestone, Coconino sandstone, and the greater part of the Supai...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1946
AAPG Bulletin (1946) 30 (2): 238–248.
... and Eldridge’s conglomerate are apparently one and the same. The plants came from a sandy shale just above this conglomerate, which, together with the shale, constitutes what Lee identified as the Purgatoire formation of Lower Cretaceous age. To settle the controversy concerning the limits of the Morrison...