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Gerster Formation

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Journal Article
Published: 01 October 1986
Rocky Mountain Geology (1986) 24 (2): 211–217.
Journal Article
Journal: AAPG Bulletin
Published: 01 February 1963
AAPG Bulletin (1963) 47 (2): 350–351.
..., Kaibab Limestone, Plympton Formation, Indian Canyon Formation, and Gerster Formation. The Loray contains shale, siltstone, dolosiltites, evaporitic dolomites, and petroliferous limestones arranged in cyclic manner; this succession evidently formed in marine to non-marine environments under transgressive...
Journal Article
Journal: Geology
Published: 01 November 1982
Geology (1982) 10 (11): 582–587.
... significant information on the contact in this area. At one location, a thin, unnamed, Upper Permian phosphatic unit is disconformable with the underlying Upper Permian Gerster Formation, and the Lower Triassic Dinwoody Formation disconformably overlies the phosphatic unit. At another locality 0.6 km...
Journal Article
Journal: GSA Bulletin
Published: 01 September 1962
GSA Bulletin (1962) 73 (9): 1083–1110.
..., a dolomitic and gypsiferous sequence laid down in retreating epeiric seas. The Park City Group includes, in ascending order, Kaibab Limestone, Plympton Formation, and Gerster Formation. These are of late Leonardian to Capitanian age. The Indian Canyon Formation comprises sandy, cherty, and dolomitic rocks...
Journal Article
Published: 01 December 1972
Bulletin of Canadian Petroleum Geology (1972) 20 (4): 700–726.
...H. J. Bissell ABSTRACT In the northeastern Great Basin (northeastern Nevada and northwestern Utah) youngest exposed Permian miogeosynclinal sediments are in the uppermost Gerster Formation. Judged by the conodont Neogondolella rosenkrantzi Assemblage Zone and the Neospathodus divergens Assemblage...
Series: GSA Memoirs
Published: 01 January 1970
DOI: 10.1130/MEM127-p415
.... Higher Guadalupian (probably lower Capitanian) rocks are characterized by abundant Gondolella rosenkrantzi. The Plympton and Gerster Formations of eastern Nevada contain the N. arcucristatus and G. rosenkrantzi faunas, respectively, and upper Gerster beds contain Neospathodus divergens. Elements...
Journal Article
Journal: GSA Bulletin
Published: 01 May 1976
GSA Bulletin (1976) 87 (5): 821–824.
...JAMES W. COLLINSON; CHRISTOPHER G. ST. C. KENDALL; JONATHAN B. MARCANTEL Abstract The Permian-Triassic boundary in eastern Nevada and west-central Utah is placed at a disconformity above the Gerster Formation (Wordian) and below the Thaynes Formation (Smithian and Spathian). Evidence of subaerial...
Journal Article
Journal: AAPG Bulletin
Published: 01 May 1959
AAPG Bulletin (1959) 43 (5): 1105.
... overlies the massive Wolfcampian limestones (unnamed formation), and the upper contact placed at the base of an unnamed massive dolomite sequence which is overlain by the Phosphoria formation. Subsidence continued, depositing the Phosphoria and Gerster formations, until uppermost Guadalupian time when once...
Image
δ 13 C carb  for Confusion Range–Spruce Mountain composite (western United ...
Published: 01 April 2013
Figure 1. δ 13 C carb for Confusion Range–Spruce Mountain composite (western United States) (see Table DR1 in the Data Repository [see footnote 1 ]). Brachiopods and conodonts suggest an age of the Gerster Formation (lower ∼150 m) no older than mid-Guadalupian. Ammonites and conodonts indicate
Image
—Cubist caricature of the Oquirrh basin modeled as a growth fault basin. No...
Published: 01 April 1997
Figure 5 —Cubist caricature of the Oquirrh basin modeled as a growth fault basin. Note that sections measured parallel to the growth fault and close to it will be 9000 m thick in a 3000-m-thick stratigraphic package. The Oquirrh basin sediment trap allows the Ely-Gerster formation relatively
Journal Article
Journal: AAPG Bulletin
Published: 01 July 1978
AAPG Bulletin (1978) 62 (7): 1171–1184.
...Bruce R. Wardlaw; James W. Collinson ABSTRACT The Park City Group is composed of, in ascending order, the Kaibab Limestone, Plympton Formation, and Gerster Limestone. The Kaibab is fossiliferous limestone and dolomite; the Plympton is chert, dolomite, and siltstone; and the Gerster is fossiliferous...
FIGURES | View All (6)
Journal Article
Published: 01 June 1971
Bulletin of Canadian Petroleum Geology (1971) 19 (2): 317–318.
... by the Plymp- ton, Indian Canyon and Gerster Formations; these four formations are collectively assigned to the Park City Group. The Loray Formation be- neath the Kaibab in this part of the ancient miogeosyncline contains distinctive ammonoid faunas of Early Guadalupian age low in the section. These fossils...
Journal Article
Journal: Geology
Published: 01 April 2013
Geology (2013) 41 (4): 399–402.
...Figure 1. δ 13 C carb for Confusion Range–Spruce Mountain composite (western United States) (see Table DR1 in the Data Repository [see footnote 1 ]). Brachiopods and conodonts suggest an age of the Gerster Formation (lower ∼150 m) no older than mid-Guadalupian. Ammonites and conodonts indicate...
FIGURES
Journal Article
Published: 01 January 2014
Rocky Mountain Geology (2014) 49 (2): 137–165.
... of northeastern Nevada, Phosphoria Formation of eastern Idaho, and Gerster Limestone of the Medicine Range section of Nevada. This bryozoan fauna represents a late middle-Permian boreal fauna. email: egilmour@ewu.edu 23 05 2013 12 08 2014 17 09 2014 © 2014 UW Department of Geology...
FIGURES | View All (11)
Journal Article
Published: 01 September 2006
Journal of Paleontology (2006) 80 (5): 867–888.
... of biosparite. Mixed lithofacies–biosparite and biomicrite equally present with abundant bioclasts, pellets, and abundant silt. Lithofacies of the Gerster Limestone follow a typical succession except where either a period of erosion or nondeposition has caused the top of the formation to be absent...
FIGURES | View All (14)
Image
Depositional model of the Murdock Mountain <span class="search-highlight">Formation</span> and <span class="search-highlight">Gerster</span> Limestone ...
Published: 24 May 2022
Fig. 10.— Depositional model of the Murdock Mountain Formation and Gerster Limestone Tongue. The Murdock Mountain was deposited on a gently descending ramp. A ) Rock outcrop of facies S1, rust-black chert. B ) Rock outcrop of facies S2, vertical chert nodules. C ) Rock outcrop of facies S3
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1959
AAPG Bulletin (1959) 43 (9): 2167–2196.
..., but a minimum thickness of 2,700 feet has been measured. The succeeding three formational units, the Kaibab limestone, the Plympton formation (new name), and the Gerster limestone, all of Permian age, have been included in the Park City group. The Kaibab limestone overlies the Arcturus formation and consists...
FIGURES | View All (6)
Image
Stratigraphic columns comparing rock outcrops of the Murdock Mountain Forma...
Published: 24 May 2022
Fig. 3.— Stratigraphic columns comparing rock outcrops of the Murdock Mountain Formation, the Gerster Tongue, and the Gerster Limestone at the six field locations (see Fig. 1 ). Dashed lines indicate the boundaries between the three units.
Image
Regional stratigraphy and generalized stratigraphic column of the Murdock M...
Published: 24 May 2022
Fig. 2.— Regional stratigraphy and generalized stratigraphic column of the Murdock Mountain Formation. A ) Regional stratigraphic relationships within the Phosphoria Rock Complex modified from Wardlaw (2015) . Abbreviations: MPT = Meade Peak Tongue; MM = Murdock Mountain; GT = Gerster Tongue
Image
Photographs depicting rock outcrop character of the Murdock Mountain <span class="search-highlight">Format</span>...
Published: 24 May 2022
Fig. 4.— Photographs depicting rock outcrop character of the Murdock Mountain Formation and Gerster Limestone at key field sites. A ) Murdock Mountain Formation (Pigeon Mountain), one-meter scale beds of red to black bedded cherts (S1 facies) forming cliffs approximately 100 meters tall. Car