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Ferguson Mountain Formation

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Journal Article

Patterned Sedimentation of Pennsylvanian and Permian Marine Strata in Part of the Cordilleran Area: ABSTRACT Free

H. J. Bissell
Journal: AAPG Bulletin
Published: 01 February 1963
AAPG Bulletin (1963) 47 (2): 350–351.
DOI: https://doi.org/10.1306/BC743999-16BE-11D7-8645000102C1865D
..., and Leppy Range of western Utah, and in the Cherry Creek Mountains, Butte Mountains, Pequop Mountains, Diamond Range, and Pancake Range of Nevada. Ferguson Mountain Formation (Wolfcampian) of northeastern Nevada and part of adjacent Utah is approximately 2,000 feet of alternating reefoid, bioclastic matrix...
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Journal Article

Permian Rocks of Parts of Nevada, Utah, and Idaho Available to Purchase

HAROLD J BISSELL
Journal: GSA Bulletin
Published: 01 September 1962
GSA Bulletin (1962) 73 (9): 1083–1110.
DOI: https://doi.org/10.1130/0016-7606(1962)73[1083:PROPON]2.0.CO;2
... Idaho, the Wood River Formation of central Idaho, and certain limestones and related sedimentary rocks of east-central Idaho. The Ferguson Mountain Formation, mostly Wolfcampian in age but locally of late Virgilian age at the base and early Leonardian age at the top, is of wide areal extent and at its...
View PDF for article title, Permian Rocks of Parts of Nevada, Utah, and Idaho
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Journal Article

Ely, Arcturus, and Park City Groups (Pennsylvanian-Permian) in Eastern Nevada and Western Utah Available to Purchase

H. J. Bissell
Journal: AAPG Bulletin
Published: 01 May 1964
AAPG Bulletin (1964) 48 (5): 565–636.
DOI: https://doi.org/10.1306/BC743D1B-16BE-11D7-8645000102C1865D
... age), and Loray Formation (Late Leonardian-Early Wordian age). In northeastern Nevada and northwestern Utah the Ferguson Mountain Formation (mostly of Wolfcampian age) is present beneath the Pequop Formation and is equivalent (in part at least) to the Riepe Spring and Riepetown; it is not proposed...
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View PDF for article title, Ely, Arcturus, and Park City Groups (Pennsylvanian-Permian) in Eastern Nevada and Western Utah
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Small-scale geologic map of south Dome Rock Mountains basin, simplified from the Supplemental Map Plates (see text footnote 1). Refer to Supplemental Map Plates for detailed large-scale geologic map and Tables 1–3 for detailed unit descriptions. Geology is modified from Spencer et al. (2016), Ferguson et al. (2018), Ferguson and Pearthree (2021), and Johnson et al. (2021). MMF—McCoy Mountains Formation.

Small-scale geologic map of south Dome Rock Mountains basin, simplified fro... Open Access

Published: 29 April 2025
et al. (2016) , Ferguson et al. (2018) , Ferguson and Pearthree (2021) , and Johnson et al. (2021) . MMF—McCoy Mountains Formation.
Image
Stratigraphic nomenclature of the Rocky and Cariboo Mountains. Sources of information include: 1) Evenchick (1988), Hein and McMechan (1994); 2) McMechan (1990), McMechan (2013); 3) Carey and Simony (1985), Hein and McMechan (1994); 4) McDonough and Murphy (1994), Hein and McMechan (1994), Smith et al. (2014a); 5) Charlesworth et al. (1967); 6) Campbell et al. (1973), Ferguson (1994), Pell and Simony (1987), Ross and Ferguson (2003a, 2003b). Central Rocky Mountain locations (this study) with newly defined formations highlighted in grey.

Stratigraphic nomenclature of the Rocky and Cariboo Mountains. Sources of i... Available to Purchase

Published: 01 September 2015
and McMechan (1994) , Smith et al. (2014a) ; 5) Charlesworth et al. (1967) ; 6) Campbell et al. (1973) , Ferguson (1994) , Pell and Simony (1987) , Ross and Ferguson (2003a , 2003b) . Central Rocky Mountain locations (this study) with newly defined formations highlighted in grey.
Image
McKale Formation, type section drafted from detailed measured section description in Carey (1984). See Fig. 3 for location. A – interval mapped as Old Fort Point Formation by Ferguson and Ross (2003a). B – interval correlated with Old Fort Point Formation by Carey and Simony (1985). C – limestone and calcareous sandstone used to mark base of (informal) upper calcareous unit of McKale Formation in Cushing Creek area by Ferguson and Ross (2003a). This carbonate interval thins northward and it is only 1–2 m thick west of Wallop Mountain and absent elsewhere. The term grit used in the original measured section descriptions most likely refers to sandy granule conglomerate.

McKale Formation, type section drafted from detailed measured section descr... Available to Purchase

Published: 01 September 2015
) . C – limestone and calcareous sandstone used to mark base of (informal) upper calcareous unit of McKale Formation in Cushing Creek area by Ferguson and Ross (2003a) . This carbonate interval thins northward and it is only 1–2 m thick west of Wallop Mountain and absent elsewhere. The term grit used
Journal Article

NEW EARLY PERMIAN COLONIAL RUGOSE CORALS FROM THE CENTRAL CORDILLERAN MIOGEOCLINE, U.S.A Available to Purchase

CALVIN H. STEVENS
Published: 01 May 2010
Journal of Paleontology (2010) 84 (3): 529–537.
DOI: https://doi.org/10.1666/09-125.1
... and the Darwin Canyon Formation in California, Paraheritschioides fergusonensis n. sp. from the Ferguson Mountain and Bird Spring formations in Nevada, and Wendoverella arca n. gen. and n. sp., Permastraea nevadensis n. sp., and Pararachnastraea moormanensis n. sp. from the Pequop Formation in eastern Nevada...
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Journal Article

Tectonic and Sedimentologic History of Lower Jurassic Sunrise and Dunlap Formations, West-Central Nevada Available to Purchase

K. O. Stanley
Journal: AAPG Bulletin
Published: 01 March 1971
AAPG Bulletin (1971) 55 (3): 454–477.
DOI: https://doi.org/10.1306/5D25CF69-16C1-11D7-8645000102C1865D
... ranges and in the Westgate area on the north ( Fig. 1 ). Rocks of less certain affinity, but included in the Dunlap Formation by Ferguson and Muller (1949) and Ross (1961) , are in the Toiyabe Range, Gillis Range, and Southern Cedar Mountains ( Fig. 1 ). Because of the dearth of Lower Jurassic...
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View PDF for article title, Tectonic and Sedimentologic History of Lower Jurassic Sunrise and Dunlap <span class="search-highlight">Formations</span>, West-Central Nevada
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—“Thrust conglomerate” below Mac thrust (originally sketched by Muller and Ferguson, 1939, Fig. 4) showing discordant relation with Dunlap Formation below, as mapped by writer. Location of exposure is shown on Figure 5, no. 4, northwestern Pilot Mountains.

—“Thrust conglomerate” below Mac thrust (originally sketched by Muller and... Available to Purchase

Published: 01 March 1971
Fig. 14. —“Thrust conglomerate” below Mac thrust (originally sketched by Muller and Ferguson, 1939 , Fig. 4 ) showing discordant relation with Dunlap Formation below, as mapped by writer. Location of exposure is shown on Figure 5 , no. 4, northwestern Pilot Mountains.
Journal Article

Arbuckle Source for Atoka Formation Flysch, Ouachita Mountains Frontal Belt, Oklahoma: New Evidence for Paleocurrents: ERRATUM Available to Purchase

Charles A. Ferguson, Neil H. Suneson
Journal: AAPG Bulletin
Published: 01 May 1988
AAPG Bulletin (1988) 72 (5): 647.
DOI: https://doi.org/10.1306/703C8EE8-1707-11D7-8645000102C1865D
...Charles A. Ferguson; Neil H. Suneson ABSTRACT In the abstract by Charles A. Ferguson and Neil H. Suneson, entitled “Arbuckle Source for Atoka Formation Flysch, Ouachita Mountains Frontal Belt, Oklahoma: New Evidence for Paleocurrents” ( AAPG Bulletin , v. 72, p. 184-185), the final sentence...
View PDF for article title, Arbuckle Source for Atoka <span class="search-highlight">Formation</span> Flysch, Ouachita <span class="search-highlight">Mountains</span> Frontal Belt, Oklahoma: New Evidence for Paleocurrents: ERRATUM
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Journal Article

Structural Complexities that Control Localization of Mississippian Shale-Generated Oil Prospects in Eastern Great Basin, Utah and Nevada: ABSTRACT Free

John E. Welsh, Sr.
Journal: AAPG Bulletin
Published: 01 July 1984
AAPG Bulletin (1984) 68 (7): 954.
DOI: https://doi.org/10.1306/AD461674-16F7-11D7-8645000102C1865D
... “chaos” upon the Devonian Guilmette Limestone (e.g., Ferguson Flat, Ferber Flat, Copper Flat). The Pilot, Joana, Chainman, and lower Ely Formations were eliminated either entirely or partly by shearing. The Chainman decollement zone is intruded by 110 m.y.-old quartz monzonite and 35 m.y.-old quartz...
View PDF for article title, Structural Complexities that Control Localization of Mississippian Shale-Generated Oil Prospects in Eastern Great Basin, Utah and Nevada: ABSTRACT
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Geologic map of Pennington Mountain area showing field observation sites and sample locations. Ferguson Brook Formation is after Wang (2022a). Dots of any shape and color represent field observation sites. Sites sampled for portable XRF analysis (blue circles) and whole-rock geochemical analysis (red circles for strongly mineralized eastern lobe and orange diamonds for weakly mineralized western lobe) are labeled with IDs for reference to Tables A1 and A2.

Geologic map of Pennington Mountain area showing field observation sites an... Open Access

Published: 01 February 2023
Fig. 3. Geologic map of Pennington Mountain area showing field observation sites and sample locations. Ferguson Brook Formation is after Wang ( 2022a ). Dots of any shape and color represent field observation sites. Sites sampled for portable XRF analysis (blue circles) and whole-rock geochemical
Image
(A) Schematic model for the formation of the Burro Mountains gneiss dome. This dome is cored by the 1460 Ma Burro Mountain granite and granodiorite, which include both syntectonic and post-tectonic phases that were emplaced in a time span shorter than the precision of our U-Pb zircon age data. Fast diapiric rise of the dome, coupled with extensional unroofing, caused the rapid cooling at the margins of the dome, as documented by our 40Ar/39Ar thermochronologic data. Box shows the approximate location of the geology shown in Figure 3. (B) Compilation of strain kinematics from Ferguson et al. (2004) with our interpretation for the Burro Mountains added. Inset shows shear zone kinematics and resolved overall shortening direction.

(A) Schematic model for the formation of the Burro Mountains gneiss dome. T... Available to Purchase

Published: 01 September 2011
Figure 11. (A) Schematic model for the formation of the Burro Mountains gneiss dome. This dome is cored by the 1460 Ma Burro Mountain granite and granodiorite, which include both syntectonic and post-tectonic phases that were emplaced in a time span shorter than the precision of our U-Pb zircon
Image
Simplified regional geologic map of northern Maine showing location of Pennington Mountain trachyte-hosted REE-Nb-Zr occurrence within the area covered by regional U.S. Geological Survey airborne radiometric and magnetic survey in northern Maine (inset shows location). Geology is based on recent detailed mapping (Wang, 2018, 2019, 2021a, b, 2022a, b; Pollock, 2020) and unpublished reconnaissance mapping by C. Wang. St. Froid Lake and Ferguson Brook formations are after Wang (2022a). Diamond symbols are locations of alkalic basalts reported by Winchester and van Staal (1994).

Simplified regional geologic map of northern Maine showing location of Penn... Open Access

Published: 01 February 2023
on recent detailed mapping ( Wang, 2018 , 2019 , 2021a , b , 2022a , b ; Pollock, 2020 ) and unpublished reconnaissance mapping by C. Wang. St. Froid Lake and Ferguson Brook formations are after Wang ( 2022a ). Diamond symbols are locations of alkalic basalts reported by Winchester and van Staal
Journal Article

Pennsylvanian and Permian Basins in Northwestern Utah, Northeastern Nevada, and South-Central Idaho: DISCUSSION Available to Purchase

H. J. Bissell
Journal: AAPG Bulletin
Published: 01 May 1967
AAPG Bulletin (1967) 51 (5): 791–802.
DOI: https://doi.org/10.1306/5D25C0D5-16C1-11D7-8645000102C1865D
...; the Missourian and Virgilian are absent; and the Permian consists, in ascending order of Wolfcampian Ferguson Mountain Formation (north end of the range) and lateral equivalents, Riepe Spring Limestone and Riepetown Formation (south end of range), Leonardian Pequop Formation, Loray Formation (late Leonardian...
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View PDF for article title, Pennsylvanian and Permian Basins in Northwestern Utah, Northeastern Nevada, and South-Central Idaho: DISCUSSION
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—Map of western United States showing distribution of Lower Jurassic outcrops and lithofacies, with pre-Middle Jurassic paleogeology shown in northeast corner. Map is modified from McKee (1956) and includes data compiled from Surdam (1968), area A; Misch (1966), area A′ (Cultus and Bald Mountain Formations); Little (1960) and Frebold and Little (1962), area B; Carlson (1968), area C; Dickinson and Vigrass (1965), area D; Sanborn (1960), area E; McMath (1966), Clark et al., (1962), and Noble (1962), area F; Rinehart et al. (1959), area G; Grose (1959), area H; Silberling and Wallace (1969), Page (1965), Corvalan (1962), Ferguson and Muller (1949), and Stanley (1969), area I; Sirkin (1970), area J; and Secor (1962), area K.

—Map of western United States showing distribution of Lower Jurassic outcro... Available to Purchase

Published: 01 January 1971
and Bald Mountain Formations); Little (1960) and Frebold and Little (1962) , area B ; Carlson (1968) , area C ; Dickinson and Vigrass (1965) , area D ; Sanborn (1960) , area E ; McMath (1966) , Clark et al. , (1962) , and Noble (1962) , area F ; Rinehart et al. (1959) , area G ; Grose
Journal Article

Late Pennsylvanian and Early Permian Sedimentation in Northeast Nevada Available to Purchase

Jonathan Marcantel
Journal: AAPG Bulletin
Published: 01 November 1975
AAPG Bulletin (1975) 59 (11): 2079–2098.
DOI: https://doi.org/10.1306/83D921F9-16C7-11D7-8645000102C1865D
... Strathearn Formation for 1,200-1,500 ft (366-457 m) of cross-bedded, chert-pebble conglomerate, silty-sandy limestone, and calcareous sandstone near Carlin Canyon, Elko County. Fusulinids are abundant in the type section. The age reported by Dott is Missourian to early Wolfcampian. Ferguson Mountain...
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Dip data for mid-Cenozoic synextensional strata grouped by locality and formation. Each data set shows the range (outer bars), median (center line), mean (black square), interquartile range (large rectangle), outliers (circle), total count (n), and standard deviation (σ). Oldest formations are listed at the bottom of each plot. Where upper and lower contacts are observed, formations are roughly subdivided into upper and lower halves. Data for the basal several hundred meters of the oldest formation in each area are shown. For all localities, only bedding planes that dip to the east are plotted even though some bedding planes dip to the west. The latter commonly occur proximal to faults or inferred buried faults, which implies they have been folded and therefore are not useful for determining tilting amounts. Tucson basin area is not included due to scarcity of measurements and little geochronologic control. (A) San Manuel area. Data from Spencer et al. (2009c) and Orr et al., (2004a). Tsm data points in hanging wall of San Manuel fault (Fig. 2) are excluded due to uncertain stratigraphic position relative to upper and lower halves of Tsm defined in the footwall. (B) Northeast Rincon Mountains. Data from Spencer et al. (2009a), Spencer et al. (2011), and new measurements (Fig. 4). Units “Tcg” and “Tcu” from Spencer et al. (2011) are not included due to less certain age. West-dipping “Tsmv” from Spencer et al. (2009a) is excluded. (C) Soza Mesa and Teran Basin area. Data from Waldrip (2008), Goodlin and Mark (1987), Grover (1982), and new measurements (Fig. 3). Only includes data from hanging wall of Soza Mesa fault (Fig. 2) due to less Cenozoic net tilting east of the fault. Upper contact of unit Tg was not observed, and data are inferred to represent mostly lower and middle section. West-dipping Tsm is excluded. (D) Cienega Basin. South- and west-dipping data points and Tp of uncertain age were excluded. Lower Tp includes “Tpl” from Spencer et al. (2001) and “Tdl” from Ferguson et al. (2001). Upper Tp includes “Tpu” and “Ta” from Spencer et al. (2001), “Tdu” and “Ta” are from Ferguson et al. (2001) and Richard et al. (2001). Unit Tw refers to the Unit of Wakefield Canyon in Spencer et al. (2001), which is likely Miocene to Pliocene in age (Quiburis Formation equivalent), and west-dipping strata are excluded here as they appear to be related to forced-folding associated with a blind normal fault at depth.

Dip data for mid-Cenozoic synextensional strata grouped by locality and for... Open Access

Published: 12 October 2021
” and “Ta” are from Ferguson et al. (2001) and Richard et al. (2001) . Unit Tw refers to the Unit of Wakefield Canyon in Spencer et al. (2001) , which is likely Miocene to Pliocene in age (Quiburis Formation equivalent), and west-dipping strata are excluded here as they appear to be related to forced
Journal Article

Realms of Permian Tectonism and Sedimentation in Western Utah and Eastern Nevada Available to Purchase

H. J. Bissell
Journal: AAPG Bulletin
Published: 01 February 1970
AAPG Bulletin (1970) 54 (2): 285–312.
DOI: https://doi.org/10.1306/5D25C993-16C1-11D7-8645000102C1865D
... the Western Utah high or a submarine spur) as subaqueous deltaic aprons, forming the northward-pointing tongues of Riepetown sandstones that are intercalated in the Ferguson Mountain Formation in the southern Goshute Mountains and the Dolly Varden Mountains (see also Zabriskie, 1967 , p. 38–39). Outcrops...
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Journal Article

Oligocene–Miocene development and evolution of the south Dome Rock Mountains basin, lower Colorado River corridor, Arizona, USA Open Access

Timothy A. Brickey, Paul J. Umhoefer, Scott E.K. Bennett, Christine Regalla, Nancy Riggs, Skyler Mavor
Journal: Geosphere
Published: 29 April 2025
Geosphere (2025) 21 (3): 352–389.
DOI: https://doi.org/10.1130/GES02754.1
... et al. (2016) , Ferguson et al. (2018) , Ferguson and Pearthree (2021) , and Johnson et al. (2021) . MMF—McCoy Mountains Formation. ...
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View PDF for article title, Oligocene–Miocene development and evolution of the south Dome Rock <span class="search-highlight">Mountains</span> basin, lower Colorado River corridor, Arizona, USA
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