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Articles 331 - 360 of 371
Full-Text Articles in Physical Sciences and Mathematics
Geology Of The West-Central Part Of The Malad Range, Idaho, Phillip H. Wach
Geology Of The West-Central Part Of The Malad Range, Idaho, Phillip H. Wach
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The west-central part of the Malad Range is located in south-eastern Idaho. This area was the site of thick marine deposition in the early Paleozoic period. In the Tertiary and Quaternary periods continental deposition occurred, covering the Paleozoic rocks. Quartzite and shale units of the Brigham Quartzite are found near the base of the Cambrian section. Carbonate with shale interbeds is found in the middle and late Cambrian units. Limestone and silty limestone are found in the early and middle Ordovician time overlain by the middle Ordovician Swan Peak Quartzite. The Laketown Dolomite includes units of late Ordovician and Silurian …
A Stratigraphic And Sedimentologic Analysis Of The Tongue River And Sentinel Butte Formations (Paleocene), Western North Dakota, Chester F. Royse Jr.
A Stratigraphic And Sedimentologic Analysis Of The Tongue River And Sentinel Butte Formations (Paleocene), Western North Dakota, Chester F. Royse Jr.
Theses and Dissertations
The Tongue River-Sentirel Butte contact has been regarded by many workers as a vague color boundary of minor extent within a relatively homogeneous sequence of Paleocene strata. Consequently, the Sentinel Butte has come to be regarded as a subordinate unit of the ”Tongue River Formation. As defined in report, the contact is a distinctive horizon between two discrete lithogenetic units. It characterized by three criteria: a horizon (HT Butte bad) &t the top of the Tongue River sequence; a. basal sandy unit in the Sentinel Butte sequence, and a marked change in color between buff yellow Tongue River sediments below …
Surficial Geology Of The Las Vegas Quadrangle, Nevada, Charles Edgar Price Jr
Surficial Geology Of The Las Vegas Quadrangle, Nevada, Charles Edgar Price Jr
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Las Vegas 15-minute quadrangle, located in the south part of the state of Nevada, includes about 240 square miles in and around the city of Las Vegas; it is in the basin and range province. The quadrangle includes a broad valley floor that was once a lake bottom, a bordering area of badlands and rolling hills developed in Tertiary and Quaternary deposits, an outer marginal area of alluvial fans, and the surrounding mountains.
The mountains constitute about three per cent of the total land surface and are composed of rock ranging in are from Precambrian to Tertiary. The remainder …
Surficial Geology Of Northern Griggs County, North Dakota, Laverne C. Rude
Surficial Geology Of Northern Griggs County, North Dakota, Laverne C. Rude
Theses and Dissertations
Griggs County, situated in the Western Lake section of the Central Lowland province, covers an area of 720 square miles in east-central North Dakota. The surface of the county is mantled with three, or possibly four Pleistocene drift sheets, separated by outwash deposits. These drift sheets lie unconformably on the Cretaceous Pierre Shale which is exposed in the Sheyenne River valley and the Binford Hills. Because the drift sheets have similar lithologic and physical characteristics, and are all late Wisconsin in age, they fulfill the requirements for a lithostratigraphic unit and are being considered for designation as part of the …
The Stratigraphy Of The Sperati Point Quadrangle, Mckenzie County, North Dakota, Michael B. Clark
The Stratigraphy Of The Sperati Point Quadrangle, Mckenzie County, North Dakota, Michael B. Clark
Theses and Dissertations
The Sperati Point Quadrangle is in McKenzie County, northwestern North Dakota, about 30 miles south-southwest of Watford City, North Dakota. The quadrangle is bounded by Ts. 146-148 N., Rs. 100- 101 W., and encompasses an area of about: 54 square miles. The topography consists of weakly dissected upland plains and, adjacent to the Little Missouri River and tributaries, well dissected, well drained, badland areas characterized by extensive slumping. About 570 feet of the Sentinel Butte Member of the Tongue River Formation of Paleocene age is exposed in the quadrangle. The lower 200 to 250 feet is dominantly grayish, fine to …
Jurassic Stratigraphy Of The Southern Two-Thirds Of North Dakota, Richard A. Salisbury
Jurassic Stratigraphy Of The Southern Two-Thirds Of North Dakota, Richard A. Salisbury
Theses and Dissertations
Jurassic rocks in the southern two-thirds of North Dakota consist mainly of limestone, shale, anhydrite, and salt of the Piper Formation; shaly limestone, calcareous and non-calcareous shales of the Rierden Formation; shale and sandstone of the Swift Formation; and, at the top, non-marine shale and local sandstones of the Morrison Formation.
The units generally are conformable in the deep part of the Williston Basin, and are unconformable near the edge of the basin in eastern North Dakota. The Poe Member of the Piper Formation, however, unconformably overlies the Spearfish Formation in the western part of North Dakota where Dunham salt …
Geology Of The Sharp Mountain Area, Southern Part Of The Bear River Range, Utah, Preston L. Hafen
Geology Of The Sharp Mountain Area, Southern Part Of The Bear River Range, Utah, Preston L. Hafen
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Sharp Mountain area is situated in the southern part of the Bear River Range in Utah. The geology of the Bear River Range to the north of this area, in Utah and Idaho, has been mapped; however, prior to this study little was known about the Sharp Mountain area. The purpose of this investigation are as follows: (1) to map and describe the geology of the area, and (2) to relate the stratigraphic and structural features of the Sharp Mountain area to those of the surrounding region.
Geology Of The Weston Canyon Area, Bannock Range, Idaho, Clair N. Murdock
Geology Of The Weston Canyon Area, Bannock Range, Idaho, Clair N. Murdock
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Weston Canyon area comprises the southern part of the Bannock Range and northwestern part of the Malad Range in southern Idaho. Geologic investigations of adjacent areas date from 1871. These investigations have led to detailed geologic reports that cover much of the Wasatch Range, Bear River Range, Malad Range, Portneuf Range, and Cache Valley. The geology of the southern part of the Bannock Range, however, has not been studied in detail, and it is the purpose of this investigation to map and describe the geology of the Weston Canyon area and to correlate it with previously described geology of …
Pleistocene Geology Of Northern Kidder County, North Dakota, James Chmelik
Pleistocene Geology Of Northern Kidder County, North Dakota, James Chmelik
Theses and Dissertations
The topography of northern Kidder County is due almost entirely to glacial deposition. This are is covered with glacial drift up to a thickness of at least 269 feet which was deposited during Wisconsin ice advances. Seventy-five percent of the area has stagnation moraine which typically exhibits knob-and-kettle topography, has high local relief with no linear trends, and which was deposited after the ice became stagnant. Many kames and eskers were formed contemporaneously with stagnation moraine. The names, Lake Williams and Woodhouse Lake loops, and proposed for and moraines deposited by Cary and Mankato ice advances, respectively. The Lake Williams …
Geology Of The Southern Part Of Wellsville Mountain, Wasatch Range, Utah, Ronald H. Gelnett
Geology Of The Southern Part Of Wellsville Mountain, Wasatch Range, Utah, Ronald H. Gelnett
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Wellsville Mountain is 10 miles west of Logan, Utah, at the northern extremity of the Wasatch Range. Paleozoic rocks form a northeast-dipping homocline bounded in part by northwest-trending high-angle faults and cut by a series of northeast-trending high-angle faults. A major transverse fault, with a stratigraphic displacement of 4,500 feet, divides the mountain into two distinct blocks.
The rock units of the area are comparable to those of the Logan quadrangle immediately to the east. Pre-Cambrian rocks crop out in Box Elder Canyon, just east of Brigham City, and are overlain by at least 20,000 feet of northeast-dipping Paleozoic rocks …
Geology Of The Northern Part Of Wellsville Mountain, Northern Wasatch Range, Utah, Stanley S. Beus
Geology Of The Northern Part Of Wellsville Mountain, Northern Wasatch Range, Utah, Stanley S. Beus
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Wellsville Mountain forms the extreme northern end of the Wasatch Range in northern Utah. It lies at the western margin of the Middle Rocky Mountain province and is bordered by valleys of the Basin and Range province. Many geologic investigations have been made in this region. Much of the Wasatch Range has been studied and mapped as well as parts of the Bear River Range, east of Cache Valley, and the Malad Range which extends north from Wellsville Mountain; however, the geology of Wellsville Mountain has not been studied or mapped in detail. Some reconnaissance mapping has been done and …
The Basement Of North Dakota, Spurgeon C. Crosby Ii.
The Basement Of North Dakota, Spurgeon C. Crosby Ii.
Theses and Dissertations
The purpose of this report is to study the basement rocks of North Dakota. The basement rocks of North Dakota may be divided into two categories. The eastern division comprises deeply weathered material and extends from the Red River westward for approximately thirty miles. The western division essentially comprising adamellite (more than 1/3 but less than 2/3 alkali feldspar and more than 10 percent quartz), extends from a north-south line thirty miles west of the Red River to the Montana border.
The Stratigraphy And Geologic History Of The Cannonball Formation (Paleocene), Gary O. Hall
The Stratigraphy And Geologic History Of The Cannonball Formation (Paleocene), Gary O. Hall
Theses and Dissertations
The purpose of this report is to describe the stratigraphy of the Cannonball formation in southwestern North Dakota, and to present a new geologic map of the formation in Oliver, McLean, Burleigh, and Emmons Counties, North Dakota.
The Geology Of The Grassy Butte Area, Mckenzie County, North Dakota, Elmer G. Meldahl
The Geology Of The Grassy Butte Area, Mckenzie County, North Dakota, Elmer G. Meldahl
Theses and Dissertations
The Grassy Butte area lies in southern McKenzie County, just southwest of the deepest part of the Williston Basin, and is bordered on the north by the North Unit of the Theodore Roosevelt National Memorial Park.
the purpose of this investigation was: (1) to prepare a geological map of the area; (2) to map the geologic structure of the area; (3) to measure and describe detailed stratigraphic sections which would aid in correlating rock units in this area with previously described rock units in adjacent areas; (4) to indicate lignite beds of possible economic value.
The western three-fifths of the …
The Late Tertiary History Of The Upper Little Missouri River, North Dakota, Charles K. Petter Jr.
The Late Tertiary History Of The Upper Little Missouri River, North Dakota, Charles K. Petter Jr.
Theses and Dissertations
No abstract provided.
Stratigraphic Relationships Of Cretaceous And Early Tertiary Rocks Of A Part Of Northwestern San Juan Basin, Elmer H. Baltz Jr.
Stratigraphic Relationships Of Cretaceous And Early Tertiary Rocks Of A Part Of Northwestern San Juan Basin, Elmer H. Baltz Jr.
Earth and Planetary Sciences ETDs
No abstract provided.
A Study Of The Beneficiation Of Low-Grade Domestic Chromite, Darrell Edward Bodie
A Study Of The Beneficiation Of Low-Grade Domestic Chromite, Darrell Edward Bodie
Bachelors Theses and Reports, 1928 - 1970
Chromite, a strategic mineral, is being consumed in ever increasing quantities in the United States today. Although the United States imports practically all of the chromite that is being consumed, it is gradually becoming necessary to exploit the low-grade deposits that are located within the United States, and also the low-grade deposits of Canada.
Geology Of The Rendezvous Peak Area, Cache And Box Elder Counties, Utah, Robert L. Ezell
Geology Of The Rendezvous Peak Area, Cache And Box Elder Counties, Utah, Robert L. Ezell
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This thesis presents the results of a geologic investigation of the Rendezvous Peak area, Cache and Box Elder Counties, Utah (Figure 1). The area lies between the Bear River Range on the east and the Northern Wasatch Mountains on the west (Figure 2). It is south of Cache Valley in which Logan, Utah, is located and north of Ogden Valley, east of the Wasatch Range near Ogden, Utah.
The Rendezvous Peak area is centrally located in a little known and critical area between the Logan Peak syncline in the Bear River Range and the more complex structures in the Wasatch …
The Spotted Horse Coal Field, Sheridan And Campbell Counties, Wyoming., Wilds W. Olive
The Spotted Horse Coal Field, Sheridan And Campbell Counties, Wyoming., Wilds W. Olive
LSU Historical Dissertations and Theses
No abstract provided.
Geology Of The Mink Creek Region, Idaho, Allen S. Keller
Geology Of The Mink Creek Region, Idaho, Allen S. Keller
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Mink Creek region is centered 14 miles northeast of Preston in Franklin County, Idaho (see Index Map, Figure 1). The area of this report comprises approximately 70 square miles. It is bounded on the north and south by parallels 42°17' and 42°11' North Latitude and on the east and west by meridians 111°37' and 111°49'. The easternmost part of the area is located in the Bear River Range and is part of the Cache National Forest.
The region is readily accessible. A paved Idaho State Highway goes through the center of the area and State Highway 34 skirts the …
An Attempted Determination Of The Approximate Chemical Composition Of The Livingston Volcanics By The Fused Bead Technique, Robert D. Geach
An Attempted Determination Of The Approximate Chemical Composition Of The Livingston Volcanics By The Fused Bead Technique, Robert D. Geach
Bachelors Theses and Reports, 1928 - 1970
Many fine-grained igneous rocks, basaltic and felsitic in character, are difficult to classify. In numerous cases, it is impossible to classify these types of rocks by quick methods of identification. It was hoped at the beginning of this study that refractive indices of glasses formed by quick artificial fusion of samples from selected suites of igneous rocks would show a close correlation in chemical composition.
Dispersing Agents In The Pipette Method Of Soil Analysis, Eugene W. Price
Dispersing Agents In The Pipette Method Of Soil Analysis, Eugene W. Price
Bachelors Theses and Reports, 1928 - 1970
For many years the study of sediments has been a major problem in the field of geology. Especially is this true of the branch of sedimentology known as grain-size distribution. Throughout the years many classical experiments have been performed and procedures evolved from them, all with the purpose of a better and easier determination of the grain-size distribution of fine sediments, particularly the clays.
The Occurrences Of Non-Metallic Minerals In Montana, Samuel T. Mitchell
The Occurrences Of Non-Metallic Minerals In Montana, Samuel T. Mitchell
Bachelors Theses and Reports, 1928 - 1970
This thesis is essentially an abstract of the literature concerning occurrences in Montana of minerals with a non-metallic luster. The discussions give a general description of the occurrences of minerals as reported by the various references, but is not complete as less than 40 percent of the non-metallic minerals known to exist in Montana are discussed.
Mineralogy Of The Silver King Mine Of Park City, Utah, Pierce D. Parker
Mineralogy Of The Silver King Mine Of Park City, Utah, Pierce D. Parker
Bachelors Theses and Reports, 1928 - 1970
Except for the early work of Boutwell and Irving, little has been published on the geology of the Park City mining district. For this reason and because of the availability of a selected suite of ores from the Silver King mine of this area, this writer chose the mineralogy of the Silver King mine as a senior thesis for the department of Geology of the Montana School of Mines.
Possible Mineral Resources University Land Grant, Montana School Of Mines Lands, Eugene S. Perry
Possible Mineral Resources University Land Grant, Montana School Of Mines Lands, Eugene S. Perry
Bachelors Theses and Reports, 1928 - 1970
The following evaluation of the mineral resources of the University Land-Grant lands has been made from an office study of geologic maps and published reports, and from a rather thorough knowledge of the geology of the state by the writer after 23 years of experience in the state.
Possible Mineral Resources University Land Grant, Montana State University Lands, Eugene S. Perry
Possible Mineral Resources University Land Grant, Montana State University Lands, Eugene S. Perry
Bachelors Theses and Reports, 1928 - 1970
The following evaluation of the mineral resources of the University Land-Grant lands has been made from an office study of geologic maps and published reports, and from a rather thorough knowledge of the geology of the state by the writer after 23 years of experience in the state.
Possible Mineral Resources University Land Grant, Montana State College Lands, Eugene S. Perry
Possible Mineral Resources University Land Grant, Montana State College Lands, Eugene S. Perry
Bachelors Theses and Reports, 1928 - 1970
The following evaluation of the mineral resources of the University Land-Grant lands has been made from an office study of geologic maps and published reports, and from a rather thorough knowledge of the geology of the state by the writer after 23 years of experience in the state.
Possible Mineral Resources University Land Grant, Western Montana College Of Education, Eugene S. Perry
Possible Mineral Resources University Land Grant, Western Montana College Of Education, Eugene S. Perry
Bachelors Theses and Reports, 1928 - 1970
The following evaluation of the mineral resources of the University Land-Grant lands has been made from an office study of geologic maps and published reports, and from a rather thorough knowledge of the geology of the state by the writer after 23 years of experience in the state.
Geology Of Ouachita Parish, Louisiana., Kia Kang Wang
Geology Of Ouachita Parish, Louisiana., Kia Kang Wang
LSU Historical Dissertations and Theses
No abstract provided.
Quaternary Geology Of Southeast Texas., Hugh Allen Bernard
Quaternary Geology Of Southeast Texas., Hugh Allen Bernard
LSU Historical Dissertations and Theses
No abstract provided.