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Articles 841 - 870 of 902

Full-Text Articles in Earth Sciences

Stratigraphic Relationships Of Cretaceous And Early Tertiary Rocks Of A Part Of Northwestern San Juan Basin, Elmer H. Baltz Jr. May 1953

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 May 1953

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 May 1953

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 Jan 1953

The Spotted Horse Coal Field, Sheridan And Campbell Counties, Wyoming., Wilds W. Olive

LSU Historical Dissertations and Theses

No abstract provided.


An Attempted Determination Of The Approximate Chemical Composition Of The Livingston Volcanics By The Fused Bead Technique, Robert D. Geach May 1952

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 May 1952

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.


Geology Of The Mink Creek Region, Idaho, Allen S. Keller May 1952

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 …


The Occurrences Of Non-Metallic Minerals In Montana, Samuel T. Mitchell Jun 1951

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 May 1951

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 Feb 1951

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 Feb 1951

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 Feb 1951

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 Feb 1951

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 Jan 1951

Geology Of Ouachita Parish, Louisiana., Kia Kang Wang

LSU Historical Dissertations and Theses

No abstract provided.


A Stratigraphic Study Of Fusulinid Foraminifera In The Cherokee Group (Pennsylvanian) Of Western Missouri And Kansas, Ralph Orlansky Jan 1951

A Stratigraphic Study Of Fusulinid Foraminifera In The Cherokee Group (Pennsylvanian) Of Western Missouri And Kansas, Ralph Orlansky

Masters Theses

"Limestones or shaly limestones, from four stratigraphic levels in the Cherokee group (Desmoinesian series) of Missouri and Kansas, contain eight species and two varieties of fusulinid foraminifera, of which four species and two varieties are new, and one ophthalmidiid foraminiferal species (Hemigordius cf. regularis Plummer). The next to highest limestone (cap rock of the Fleming coal) is correlated with the Seahorne limestone of western Illinois, the Stonefort limestone of southern Illinois, and the Munterville limestone of Iowa. Hemigordius regularis, a limestone facies foraminifer apparently marks a correlatable interval in the Ardmore limestone. Descriptions of the fusulinids and the …


Quaternary Geology Of Southeast Texas., Hugh Allen Bernard Jan 1950

Quaternary Geology Of Southeast Texas., Hugh Allen Bernard

LSU Historical Dissertations and Theses

No abstract provided.


Report Of The State Geologist 1947-1948, Maine Geological Survey Mar 1949

Report Of The State Geologist 1947-1948, Maine Geological Survey

Maine Collection

Report of the State Geologist 1947-1948.

Maine Geological Survey - Maine Development Commission, Augusta, Maine - March 1949.

Contents: Activity of the Maine Geological Survey, 1947-48 / Joseph M. Trefethen -- Review of the Aroostook County Manganese Deposits / Joseph M. Trefethen -- Notes on Ground Water Conditions in Maine / Joseph M. Trefethen -- The Desert of Maine / Henry Allen and Elbert Pratt -- Reconnaissance Surveys of Limestones in Franklin County, Maine / Lawrence Wing and Arthur Dawson -- Preliminary Report on Asbestos and Associated Rocks of Northwestern Maine / Lawrence Goldthwait -- Clay Survey 1948 / Earl …


A Study Of Deep-Seated Domes Of South Louisiana., William Edwin Wallace Jan 1944

A Study Of Deep-Seated Domes Of South Louisiana., William Edwin Wallace

LSU Historical Dissertations and Theses

No abstract provided.


Geology Of Webster Parish., James Littell Martin Jan 1944

Geology Of Webster Parish., James Littell Martin

LSU Historical Dissertations and Theses

No abstract provided.


The Geology Of The Claiborne (Eocene) Group Of Mississippi As Far North As Grenada County., Emil Paul Thomas Jan 1942

The Geology Of The Claiborne (Eocene) Group Of Mississippi As Far North As Grenada County., Emil Paul Thomas

LSU Historical Dissertations and Theses

No abstract provided.


Geology Of Desoto And Red River Parishes, Louisiana., Grover E. Murray Jan 1942

Geology Of Desoto And Red River Parishes, Louisiana., Grover E. Murray

LSU Historical Dissertations and Theses

No abstract provided.


Geology Of Holmes And Washington Counties, Florida., Robert O. Vernon Jan 1941

Geology Of Holmes And Washington Counties, Florida., Robert O. Vernon

LSU Historical Dissertations and Theses

No abstract provided.


Structural Geology At Llallagua, Bolivia, Lowell Moon Apr 1939

Structural Geology At Llallagua, Bolivia, Lowell Moon

Journal of the Minnesota Academy of Science

No abstract provided.


Life History Of The Ginko Petrified Forest Or The Autobiography Of An Ancient Oak Tree, George F. Beck Jan 1939

Life History Of The Ginko Petrified Forest Or The Autobiography Of An Ancient Oak Tree, George F. Beck

Geological Sciences Faculty Scholarship

An account of a fossilized log at Ginkgo Tree State Park written by the man who discovered the fossil trees and established there were Ginkgo trees in North America in the distant past.

The booklet is written from the perspective of one of the fossilized trees, tracing the geologic forces that led to it becoming a fossil.


The Geology Of Caldwell And Winn Parishes: Including Geologic Maps Of These Parishes., John Huner Jan 1939

The Geology Of Caldwell And Winn Parishes: Including Geologic Maps Of These Parishes., John Huner

LSU Historical Dissertations and Theses

No abstract provided.


Origin Of The Cap Rock Of Louisiana Salt Domes., Ralph Emerson Taylor Jan 1938

Origin Of The Cap Rock Of Louisiana Salt Domes., Ralph Emerson Taylor

LSU Historical Dissertations and Theses

No abstract provided.


Petrographic Analyses Of The Chepultepec Sandstones Of The Norris Reservoir Region, Tennessee, Chilton Eaton Prouty Jan 1938

Petrographic Analyses Of The Chepultepec Sandstones Of The Norris Reservoir Region, Tennessee, Chilton Eaton Prouty

Masters Theses

"The Norris Reservoir is located in northeastern Tennessee, in the Appalachian Valley. It includes all or portions of Anderson, Campbell, Claiborne, Granger, Knox, and Union counties. The area is shown by the map of Pate I. It is approximately thirty-five miles long in a northeast-southwest direction and about eighteen to twenty miles wide, in a northwest-southeast direction. The area is bounded on the northwest by the Cumberland escarpment and on the southeast by Clinch Mountain. The other boundaries are arbitrarily drawn near the town of Clinton to the southwest and near Tazewell to the northeast"--Introduction. Location and Nature of the …


A Preliminary Study Of The Ostracoda Of The Big Snowy Group, Mississippian, Of Montana., John C. Rabbitt May 1935

A Preliminary Study Of The Ostracoda Of The Big Snowy Group, Mississippian, Of Montana., John C. Rabbitt

Bachelors Theses and Reports, 1928 - 1970

In the field, samples were taken vertically and horizon­tally along the various outcrops in different sections of central and south-central Montana. At important localities the samples were taken about every half-foot verti­cally; in other sections they were taken every few feet.


The Pleistocene Geology Of Nebraska, A. L. Lugn Jan 1935

The Pleistocene Geology Of Nebraska, A. L. Lugn

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


State Geologist's Report On The Geology Of Maine 1930-1932, Joseph Conrad Twinem, Edward H. Perkins Jan 1932

State Geologist's Report On The Geology Of Maine 1930-1932, Joseph Conrad Twinem, Edward H. Perkins

Maine Collection

State Geologist's Report on the Geology of Maine 1930-1932


Joseph Conrad Twinem , State Geologist and Edward H. Perkins , Assistant Geologist

Second Series - Augusta 1932

Sections: Bibliography, Economic Geology, General Geology, Paleontology, Structural Geology