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2 edition of Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana found in the catalog.

Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana

W. B. Ayers

Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana

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Published by Geological Survey of Wyoming in Laramie, Wyo .
Written in English

    Places:
  • Fort Union Formation.,
  • Powder River Basin (Wyo. and Mont.)
    • Subjects:
    • Coal -- Geology -- Powder River Basin (Wyo. and Mont.),
    • Geology, Stratigraphic -- Paleocene.,
    • Fort Union Formation.

    • Edition Notes

      Statementby W.B. Ayers, Jr.
      SeriesReport of investigations / the Geological Survey of Wyoming ;, no. 35, Report of investigations (Geological Survey of Wyoming) ;, no. 35.
      Classifications
      LC ClassificationsTN805.W8 A95 1986
      The Physical Object
      Pagination22 p. :
      Number of Pages22
      ID Numbers
      Open LibraryOL2348178M
      LC Control Number86623085

      Exposures of the lower two thirds of the Tongue River Member of the Paleocene Fort Union Formation were measured along the Powder River valley in southeastern Montana in the Moorhead and Birney-Broadus coalfields. This report documents the stratigraphic variations, lateral continuity of partly eroded coal beds along the line of section, and shows ten sections for the Tongue River Member in. Tftr Paleocene Fort Union Formation, Tongue River Member The Tongue River Member has been extensively evaluated for coal resources especially on the Fort Peck Indian Reservation, consequently its contact with the Lebo Memb er is better delimited than that of the Lebo and Tullock. Nevertheless, the Tongue River-Lebo contact is shown onFile Size: KB. The Fort Union Formation in the Williston Basin of North Dakota, South Dakota, and Montana comprises chronostratigraphic and depositional sequences of Paleocene age. Individual chronostratigraphic sequences are defined by palynostratigraphic (pollen and spore) biozones and radiometric (40Ar/39Ar) ages obtained from tonsteins or volcanic ash by: 7. Get this from a library! Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality--Mammoth Coal Bed, Paleocene Tongue River member of the Fort Union Formation, Bull Mountain Coal Field, south-central Montana. [Carol Waite Connor; Geological Survey (U.S.)].


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Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana by W. B. Ayers Download PDF EPUB FB2

Stratigraphic cross section showing upper paleoncene coal-bearing rocks of the tongue river member of the fort union formation, se county, river basin, wyoming [jophnson, al] on *free* shipping on qualifying offers.

stratigraphic cross section showing upper paleoncene coal-bearing rocks of the tongue river member of the fort union formation.

Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana.

Laramie, Wyo.: Geological Survey of Wyoming, (OCoLC) Material Type: Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: W B Ayers. Coal exploration in the Tongue River Member should focus on the coals of the fluvial-channel-dominated facies.

In the area studied, coals in this facies, as much as 30 ft ( m) in thickness, can be traced as far as 12 miles ( km) along outcrops, and they contain low to moderate amounts of carbonaceous shale. The paleogeographic reconstruction of the fluvial settings of the Tongue River Member deposits in the Powder River-Clear Creek area sugges two important subenvironments of coal accumulation.

The thickest and most important coals are found in the Paleocene Fort Union Formation and the Eocene Wasatch Formation. Each section was discussed in detail.

The Palaeocene Tongue River Member of the Fort Union Formation in the Powder River Basin is well known for its thick, extensive coals. In the northern Powder River Basin, economic and subeconomic coals are chiefly distributed in the lower m and upper m of the Tongue River Member, respectively.

The economic coals of the lower Tongue River Member accumulated in Cited by: One of the major coal seams within the Tongue River Member is the Wyodak coal. The Tongue River Member of the Fort Union Formation was deposited by a fluvial-deltaic system filling Lake Lebo.

Extensive peat deposits accumulated within poorly drained interdeltaic and deltaic swamps. coal in this member ranges Coal resources of the Tongue River Member 20 to 85 ft. The Mammoth coal bed is near the middle of the Tongue River Member and is the thickest coal bed, from 5 to 16 (Connor, ).

Detailed cross sections () and isopach maps () of the Mammoth coal bed were published by Size: KB. Facies analysis of the Ludlow and Tongue River Members of the Palaeocene Fort Union Formation provides an understanding of the relationship between fluviodeltaic environments and associated coal deposition in the south‐western Williston by: 5.

Lacustrine‐Interdeltaic Coal in the Fort Union Formation (Palaeocene), Powder River Fort Union Formation book, Wyoming and Montana, U.S.A. † W. Ayers Jr The University of Texas at Austin, Bureau of Economic Geology, Austin, TexasUSACited by: 8.

Geologic unit mapped in Montana: Yellowish orange sandstone, sandy and silty carbonaceous shale, and coal. Alluvial plain. Thickness as much as m ( ft).

Biozone P5 is represented in fluvial coal-bearing strata of the upper Tongue River and Sentinel Butte Members of the Fort Union Formation. These strata contain several economically minable coal beds (HT Butte, Hagel, and Beulah-Zap zones; Flores et al., a, b).

Geologic unit mapped in Montana: No unique unit description on map. Assumed to include undivided Tertiary age members of the Fort Union Formation: Sentinel Butte (Tfsb), Tongue River (Tftr), Linley (Tflc), Ludlow (Tfld), Lebo (Tfle), Ekalaka (Tfe), and Tullock (Tft) members.

Coal in the Fort Union in the Powder River Basin occurs mainly in the Tongue River Member, where as many as 32 coal seams total more than feet in thickness. One such bed, the Wyodak Coal near Gillette, Wyoming, is as much as feet (34 m) thick.

Most of the coals in the Fort Union Formation are ranked subbituminous. Fossil contentCountry: United States. Coal beds in the Hell Creek member of the Lance formation - 18 Coal beds in the Tullock member of the Lance formation_____ 18 Coal beds in the Tongue River member of the Fort Union forma- THE COAL RESOURCES OF McCONE COUNTY, MONTANA By A.

COLLIEE and M. KNECHTELCited by: Overlies Tullock Member of Fort Union. Underlies Wasatch Formation with unconformable contact. Lebo Member of study area is said to be equivalent to the Lebo and overlying Tongue River Members of Fort Union in the northern part of Powder River basin.

Lebo, thus defined, contains all the Fort Union coal beds down to and including the Cache coal bed, and all but a few thin coals that occur. Tongue River Member of Fort Union Formation (Tertiary) at surface, covers Yellowish orange sandstone, sandy and silty carbonaceous shale, and coal. Alluvial plain.

Thickness as much as m ( ft). Ayers, W.B., Jr.,Coal resources of the Tongue River Member, Fort Union Formation (Paleocene), Powder River Basin, Wyoming and Montana: Geological Survey of Wyoming [Wyoming State Geological Survey] Report of Investigati 22 p.

Fort Union Formation - Tongue River Member. XML. Thick beds of yellow sandstone interbedded with gray and black shale and many coal beds. State: Wyoming: Name: Fort Union Formation - Tongue River Member Sedimentary > Clastic > Mudstone > Shale.

Comments: Youngest of the 3 Fort Union members: References: Love, J.D. and Christiansen, A.C. Detailed stratigraphic and sedimentological studies of the Tertiary Tongue River Member of the Fort Union Formation in the Powder River Basin, Wyoming, and the Cretaceous Blackhawk Formation and Star Point Sandstone in the Wasatch Plateau, Utah, indicate that the depositional environments of coal played a major role in controlling coal thickness, lateral continuity, potential minability, and Cited by: 8.

Coal beds are present throughout the Fort Union Formation in the Ashland coalfield. The Knobloch coal bed in the lower part of the Tongue River Member (fig. PA-6) has been targeted as the priority coal resource assessment unit in the coalfield, primarily because of its thickness and continuity. In this report, the single Knobloch.

Tongue River Formation of Fort Union Group revised to include newly named Medora Member. Medora is a tabular sand body, 15 to 25 feet thick, lying 80 feet below top of Tongue River Formation at Medora, North Dakota.

Area of report is in Billings, Slope. acres, is located In the Diekinson coal field in the central part of the Williston Basin, southwest North Dakota* This area contains surface-minable resources in three lignite beds that range in thickness from to 18 feet, in the Tongue River and Sentinel Butte Members of the Fort Union Formation ofAuthor: Mark A.

Kirschbaum, Gary B. Schneider. Tftr Paleocene Fort Union Formation, Tongue River Member The Tongue River Member has been extensively evaluated for coal resources especially on the Fort Peck Indian Reservation, consequently its contact with the Lebo Member is better known than that between the Lebo and Tullock members.

Nevertheless, the Tongue River-Lebo contact is shown here File Size: KB. Published by the American Geophysical Union as part of the Field Trip Guidebooks Series, Volume The Paleocene coal-bearing sequences in the northern Powder River Basin are contained in the Tongue River Member of the Fort Union Formation and include anomalously thick (54 m) subbituminous coals.

Palynology of coal zones of the Tongue River Member (upper Paleocene) of the Fort Union Formation, Powder River Basin, Montana and Wyoming. [Houston, Tex.]: American Association of Stratigraphic Palynologists Foundation, (OCoLC) Document Type: Book: All Authors / Contributors: D T Pocknall; Douglas J Nichols.

The Tongue River Sandstone is the youngest of three "members" which form the Fort Union Formation, the other two members being the Lebo Shale Member and the Tullock Member. [5] The buff-colored sandstones and shales of the Tongue River sandstone are visible all along the greater part of the Tongue River from Dayton, Wyoming to a point north of Country: United States.

wyodak coal, tongue river member of the fort union formation, powder river basin, wyoming: “no-coal zones” and their effects on coalbed methane production mark ashley rocky mountain section aapg annual meeting september thth,jackson, wyoming.

Maps Showing Coal - Split Boundaries, Isopachs of Coal Splits, Coal Resources, and Coal Quality - Mammoth Coal Bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain Coal Field, South - Central Montana.

Connor, Carol Waite. The Resource Stratigraphic cross section showing upper Paleocene coal-bearing rocks of the Tongue River member of the Fort Union Formation in the Piney Canyon SE quadrangle, Weston County, southeastern Powder River Basin, Wyoming, Department of the Interior, U.S.

Geological Survey ; by Edward A. Johnson, Frances Wahl Pierce, and Wayne R. Sigleo. Use of geophysical logs in recognizing depositional environments in the Tongue River Member of the Fort Union Formation, Powder River area, Wyoming and Montana: USGS Open-File Report [Flores, R.

M., Toth, J. C., Moore, T. A.] on *FREE* shipping on qualifying offers. Use of geophysical logs in recognizing depositional environments in the Tongue River Member of the Fort Union Authors: J.

Toth, R. Flores. Wyodak Coal, Tongue River Member of the Fort Union Formation, Powder River Basin, Wyoming: "No-Coal Zones" and Their Effects on Coalbed Methane Production. Mark Ashley, Yates Petroleum Corporation, S. 4th, Artesia, NMphone:[email protected] The Powder River Basin contains more than 80 percent of the state's coal resources within the Tongue River Member of the Fort.

Maps showing coal-split boundaries, isopachs of coal splits, coal resources, and coal quality; Mammoth coal bed, Paleocene Tongue River Member of the Fort Union Formation, Bull Mountain coal field, south-central Montana: Series title: Coal Map: Series number: Chapter: B: DOI: /coalB: Edition-Year Published: Language.

Within the Powder River Basin, both the Wasatch Formation and the Tongue River Member of the Fort Union Formation contain significant coal resources. The map includes locations and elevations of coal beds atscale for an area that includes ten 7½. The Paleocene Fort Union Formation in the Powder River Basin in Montana and Wyoming and adjoining areas contains a large number of very thick, closely spaced coal beds that make up some of the largest coal reserves in the United States.

The main purpose of this field guide is to provide a knowledge of the stratigraphy, fluvial facies sequences, and depositional environments of. Facies analysis of the Ludlow and Tongue River Members of the Palaeocene Fort Union Formation provides an understanding of the relationship between fluviodeltaic environments and associated coal deposition in the south-western Williston Basin.

The Ludlow Member consists of high-constructive delta facies that interfinger with brackish-water tongues of the Cannonball Member of the Fort Union Cited by: 5.

I n the Fort Union Formation's coal resources were rediscovered, this time by competent geologists who soon realized that it is the largest lignite-bearing geological formation in North America. Mining began somethat tentatively only three years later, primarily for local heating purposes.

Steam locomotives, originally designed to burn wood, were retrofitted in the mids to burn coal. Coal palynology and sedimentology in the Tongue River Member, Fort Union Formation, Powder River Basin, Wyoming (USA). Article PDF Available.

mining coal in this area in to fuel its steam locomotives. Geo-Facts: • Coal beds are shaped like huge elongated bowls.

• About 40% of the coal used in the United States is mined from coal seams found in the Tongue River Member of the Fort Union Formation of Montana and Wyoming. • Oil was discovered seeping to surface in the Powder. Tongue River Member of Fort Union Formation (Tertiary) at surface, covers 71 % of this area.

Yellowish orange sandstone, sandy and silty carbonaceous shale, and coal. Alluvial plain. Thickness as much as m ( ft). Four major lignite beds, all in the Fort Union Formation (Paleocene), occur in the West Glendive area, Dawson County, Montana.

The Newton Ranch and Poverty Flats beds are in the Lebo Member and the Peuse and Kolberg Ranch beds are in the Tongue River Member. Revised to include Medora member (new) as a member of the Tongue River Formation of Fort Union Group.

Medora is a tabular sand body, ft thick, lying 80 ft below top of Tongue River Formation at Medora, ND. Area of study for this report is in Billings, Slope, and Adams Cos, ND, in the Williston basin.The Powder River basin of northeastern Wyoming and southeastern Montana contains the nation's largest supply of subbituminous coal.

The coal beds have been mapped with surprising continuity, with thickness of individual beds exceeding ft. The Paleocene Tongue River Member of the Fort Union Formation contains the bulk of the reserves.coal seams in the Tongue River Member are highly variable.

The individual coal seams split and merge over distances ranging from a few hundred feet to several miles (Choate et al., ; Flores et al., ; Law et al., ). The Wasatch Formation is lithologically similar to the Tongue River Member of the Fort Union Formation.

Coal is abundant in.