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Tidwell Member

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Journal Article
Journal: Lithosphere
Publisher: GSW
Published: 01 April 2016
Lithosphere (2016) 8 (2): 185–193.
... Formation, and Tidwell and Salt Wash Members of the Morrison Formation. Detrital zircon geochronology results show a marked increase in ca. 523 Ma grains (compared to most Mesozoic sediments on the Colorado Plateau) that begins abruptly in the Wanakah Formation and continues into the basal Marker Bed...
FIGURES | View All (6)
Journal Article
Journal: Geology
Published: 01 December 1987
Geology (1987) 15 (12): 1138–1142.
... and not Jurassic. These are not necessarily mutually exclusive, and it may be that a combination of these factors is true for our section. The long-term sediment accumulation rate calculated from the fission-track dates for the lower Brushy Basin, Salt Wash, and Tidwell Members of the Morrison Formation is about...
Image
Illustrations of selected facies from the <b>Tidwell</b> and Salt Wash <b>members</b>. (A...
Published: 01 August 2008
Figure 3 Illustrations of selected facies from the Tidwell and Salt Wash members. (A) Channel scour surface on laminated mudstones (facies Mlam) overlain by pebbly sandstone (facies Pbs). The picture shows an approximately 1-m (3-ft)-thick interval. (B) Plane-parallel-stratified sandstone (facies
Image
—Representative measured section of the <b>Tidwell</b>, Salt Wash, and Brushy Basi...
Published: 01 August 1997
Figure 3 —Representative measured section of the Tidwell, Salt Wash, and Brushy Basin members of the Morrison Formation at Saleratus Point, Garfield County, Utah. Location of section is shown as SP on Figure 5 .
Image
Illustration of the stratigraphic motif for the <b>Tidwell</b> and Salt Wash membe...
Published: 01 August 2008
Figure 6 Illustration of the stratigraphic motif for the Tidwell and Salt Wash members through a stratigraphic base-level cycle (column S) with relative time increments (column T). A stratigraphic base-level triangle pointing up represents the base-level rise; the one pointing down represents
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1963
AAPG Bulletin (1963) 47 (6): 1065–1072.
...Dennis A. Drake; J. Paul Tidwell; Hershall H. Nixon ABSTRACT The total of wells drilled in South Texas in 1962 decreased by 3.7% from 1961. Exploratory drilling decreased by 8.5% and development drilling decreased by 2%. Wildcat discoveries were 23.7% greater than in 1961. The wildcat success ratio...
FIGURES
Series: SEPM Special Publication, SEPM Special Publication
Published: 01 January 2013
EISBN: 9781565763036
... of the Chinle Formation at Petrified Forest National Park, Arizona; the Tidwell and Salt Wash members of the Morrison Formation in southeastern Utah; and the Pennsylvanian-Permian Lodéve Basin deposits in southern France all display gleyed paleosols and wetland deposits covered by better-drained paleosols...
FIGURES | View All (10)
Series: GSA Field Guide
Published: 01 January 2005
DOI: 10.1130/2005.fld006(16)
EISBN: 9780813756066
... highlights the lacustrine and associated fluvial deposits of the Monitor Butte Member of the Chinle Formation and the Tidwell and Brushy Basin Members of the Morrison Formation in the southern part of the Colorado Plateau region, with emphases on: (1) sedimentary facies analysis and paleogeography...
FIGURES | View All (26)
Journal Article
Published: 01 May 2018
Journal of Sedimentary Research (2018) 88 (5): 568–582.
... ; Kjemperud et al. 2008 ; Weissmann et al. 2013 ). Stratigraphy varies, but in most locations the Morrison Formation is composed of three members: the lowermost Tidwell Member, the Salt Wash Member, and the uppermost Brushy Basin Member ( Fig. 2 ). Sediments of the Morrison Formation were derived from...
FIGURES | View All (12)
Journal Article
Journal: AAPG Bulletin
Published: 01 September 2000
AAPG Bulletin (2000) 84 (9): 1281–1310.
.... The thin-bedded red sandstone and mudstone interval overlying the Moab Tongue in the study area includes the Summerville Formation ( Baker et al., 1952 ), as well as the Tidwell member of the Morrison Formation ( Doelling, 1985 ). The Summerville Formation here is only on the order of several meters thick...
FIGURES | View All (19)
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1997
AAPG Bulletin (1997) 81 (8): 1267–1291.
...Figure 3 —Representative measured section of the Tidwell, Salt Wash, and Brushy Basin members of the Morrison Formation at Saleratus Point, Garfield County, Utah. Location of section is shown as SP on Figure 5 . ...
FIGURES | View All (19)
Journal Article
Journal: PALAIOS
Published: 01 September 2016
PALAIOS (2016) 31 (9): 421–439.
... ( Varricchio et al. 2008 ). The Stikes Quarry is a recently discovered concentration of tightly packed Utahraptor and iguanodontid skeletons in 125 million year old Lower Cretaceous strata (north of Arches National Park) in east-central Utah. The quarry is within the upper Yellow Cat Member of the Cedar...
FIGURES | View All (17)
Journal Article
Journal: AAPG Bulletin
Published: 01 June 1939
AAPG Bulletin (1939) 23 (6): 844–859.
... Asylum Lands on the outskirts of the town of Wichita Falls. Important extensions to the James and Sims pools in southeast Young County, discoveries by Anzac Oil Company and R. V. Tidwell in southwest Young and the Wray pool in central Young served to keep interest active in the Bend areas of Young, Jack...
FIGURES
Journal Article
Published: 01 August 2013
Vadose Zone Journal (2013) 12 (3): vzj2012.0153.
...Monica Riva; Shlomo P. Neuman; Alberto Guadagnini; Martina Siena Abstract We analyze directional dependence and scaling of air log permeability statistics characterizing minipermeameter measurements by Tidwell and Wilson on the faces of a 30 by 30 by 30 cm 3 size unsaturated block of Berea...
FIGURES | View All (25)
Image
Figure 2. Jurassic stratigraphic units, indicating Navajo Sandstone study i...
in > Geology
Published: 01 April 2001
Figure 2. Jurassic stratigraphic units, indicating Navajo Sandstone study interval. Note that Tidwell Member includes undifferentiated Summerville Formation at some localities ( Doelling, 1993 )
Journal Article
Published: 01 December 2015
Journal of Sedimentary Research (2015) 85 (12): 1466–1477.
... towards the northwest ( Blakey et al. 1983 ). The basal Tidwell Member of the Morrison Formation is a thin unit that includes lacustrine, evaporite, mudflat, with minor alluvial and eolian deposits ( Peterson 1988 ) and, towards the north, tidal deposits, that mark the progradation of a fluvial system...
FIGURES | View All (13)
Image
Age populations as distributed in major age categories as defined by  Dicki...
Published: 01 April 2016
Bed A of the Tidwell Member). This suggests an unroofing sequence as well as a conformable contact between the Wanakah Formation and the Tidwell Member.
Image
A comparison of the sequence stratigraphic scheme presented in this study w...
Published: 29 October 2019
Fig. 13.— A comparison of the sequence stratigraphic scheme presented in this study with units identified in previous works. Turner-Peterson (1986) and others: see text for a full list of references. Lithostrat, lithostratigraphy; Seq, sequence; Tid, Tidwell Member.
Image
Stratigraphy of western Colorado and Escalante Canyon study site. Black das...
Published: 01 April 2016
Sandstone); 2—Jeef (sample located above the scour surface and interpreted herein as basal Wanakah Formation); 3—2Jw (Wanakah Formation); 4—3Jw (Wanakah Formation); 5—1Jmt (Marker Bed A of the Tidwell Member); 6—2Jmt (Tidwell Member). Overlying Salt Wash Member sample location is not shown. Ss—sandstone.
Image
Jurassic units in the Moab, Utah area. J-2 indicates the unconformity at th...
Published: 01 September 2000
Figure 3 Jurassic units in the Moab, Utah area. J-2 indicates the unconformity at the top of the Navajo Sandstone and base of the Page Sandstone ( Pipiringos and O'Sullivan, 1978 ). The J-5 ( Pipiringos and O'Sullivan, 1978 ) is at the base of the Tidwell member of the Morrison Formation