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Articles 29101 - 29130 of 29714
Full-Text Articles in Physical Sciences and Mathematics
Geology 63: Geological Report Of Senior Field Trip, Thomas L. Wilson
Geology 63: Geological Report Of Senior Field Trip, Thomas L. Wilson
Bachelors Theses and Reports, 1928 - 1970
The field work was conducted in areas adjacent to Whitehall, Montana, as has been the custom for the past several years. Instruction in the proper use of the telescopic and open sight alidades, and the Brunton compass for surveying geologic features was given. Advantages of pacing and speedometer mapping were pointed out and used.
Geology Of The Berryman Area, Washington County, Missouri, Jack Alexander James
Geology Of The Berryman Area, Washington County, Missouri, Jack Alexander James
Masters Theses
"Purpose and scope - The are discussed in this thesis was selected because of recent exploration for lead within this region and because of the need for more detailed information of the structure and geologic history of the area. The work constitutes part of a program of geologic mapping by the Missouri Geological Survey and Water Resources to complete the mapping of a strip of quadrangles extending across the Ozark Uplift from Rolla eastward to the Mississippi River"--Introduction, page 1.
Dokümantasyon Anadolu'da Ladi̇ni̇en Ve Karni̇en Transgresyonu, K. Leuchs, M. Ati̇k
Dokümantasyon Anadolu'da Ladi̇ni̇en Ve Karni̇en Transgresyonu, K. Leuchs, M. Ati̇k
Bulletin of the Mineral Research and Exploration
No abstract provided.
Ground-Water Levels In The Lower Platte River Valley, Nebraska, H. A. Waite
Ground-Water Levels In The Lower Platte River Valley, Nebraska, H. A. Waite
Conservation and Survey Division
No abstract provided.
Progress Of Fundamental Survey In Nebraska, G. E. Condra
Progress Of Fundamental Survey In Nebraska, G. E. Condra
Conservation and Survey Division
No abstract provided.
Petrology Of The Upper Marietta And Hundred Sandstones In Southeastern Ohio, Wayne Dudley Martin
Petrology Of The Upper Marietta And Hundred Sandstones In Southeastern Ohio, Wayne Dudley Martin
Graduate Theses, Dissertations, and Problem Reports
A petrographic study was made of two Lower Permian (Dunkard Series) sandstones in southeastern Ohio. The sandstone members with which the investigation was concerned are the Upper Marietta sandstone and the Hundred sandstone. The study was made in order to determine the origin of the sandstones and the practicability of applying geologic methods to the grindstone industry. The results of the study indicate that although some of the constituents of these sandstones were derived from igneous and sedimentary source rocks, a relatively large amount of material was derived from metamorphic rocks. The detritus was transported from the east and deposited …
A Phase Of The Upper Devonian Of Western Highland County, Virginia, Helen Pulver Foreman
A Phase Of The Upper Devonian Of Western Highland County, Virginia, Helen Pulver Foreman
Honors Papers
This paper is a study of the Brallier and Chemung formations of west Highland County, Virginia. The limits of the Brallier formation are determined on the basis ot faunal and lithological evidence, and correlations made with formations in New York, Pennsylvania, Maryland and West Virginia.
The field work was carried on during the latter part of the summer of 1947 and the identification and correlations worked out in the winter of 1947 and the spring of 1948.
A Textural Analysis Of The Bedford Shale Of Lorain County, Ohio, Troy James Laswell
A Textural Analysis Of The Bedford Shale Of Lorain County, Ohio, Troy James Laswell
Honors Papers
Throughout the course of the school year 1947-48 the writer has collected specimens of the Bedford shale from various localities within Lorain County, Ohio. Textural and mineralogical analyses have been made of the specimens in order to determine the textural and petrologic variation between the two facies, and whether each of the facies was deposited under similar conditions.
Mayflower, Renova Basin, And South Boulder Creek Areas, Howard Nickelson
Mayflower, Renova Basin, And South Boulder Creek Areas, Howard Nickelson
Bachelors Theses and Reports, 1928 - 1970
In Montana at the turn of the century a great many men sought the riches buried in the earth's crust. Prospectors fanning out from Butte and other early Montana mining areas located veins at the Mayflower, Renova, and Gold Hill areas.
Geology Of The Renova-Bone Basin And Mayflower Mine Areas, R. L. Burns
Geology Of The Renova-Bone Basin And Mayflower Mine Areas, R. L. Burns
Bachelors Theses and Reports, 1928 - 1970
This report has been compiled from the data collected during the September, 1947, geologic field trip of the Montana School of Mines. The trip, under the direction of Dr. E. S. Perry, consisted of two weeks of field mapping and observation near Whitehall, Montana, and one week at the Montana School of Mines preparing this report.
A Geological Report On Several Localities In The Northwestern Tobacco Root Mountains, Rudi Forhan
A Geological Report On Several Localities In The Northwestern Tobacco Root Mountains, Rudi Forhan
Bachelors Theses and Reports, 1928 - 1970
To better acquaint seniors in Geology and mining with actual field practice, the Montana School of Mines offer a course in Geologic Field Mapping, during the three weeks preceding the opening of the fall semester. The first two weeks are spent in actual field mapping of the geologic formations near Whitehall, Montana, while the third week is spent back on the campus compiling data and finishing maps started in the field.
The Post-Kansan Geologic History Of The Lower Platte Valley Area, Gilbert Carl Lueninghoener
The Post-Kansan Geologic History Of The Lower Platte Valley Area, Gilbert Carl Lueninghoener
University Studies (University of Nebraska): Papers
This investigation is essentially a geomorphological study of the lower Platte River Valley area in eastern Nebraska. The area comprises Saunders, Dodge, Washington, Douglas, Sarpy, and Cass counties. The area defined above is one of the most critically located of any for the study of the post-Kansan history of the lower Platte River Valley. It lies between the older till (Nebraskan and Kansan) borders to the west and the younger till (Illinoian, Iowan, and Wisconsin) borders to the east. Physiographic changes have therefore transpired in a strictly post-Kansan periglacial region. The Kansan till is the youngest in the area. The …
Geology And Mines Of The Upper Blackfoot Valley, Montana, Thomas K. Shea
Geology And Mines Of The Upper Blackfoot Valley, Montana, Thomas K. Shea
Bachelors Theses and Reports, 1928 - 1970
The purchase and continued operation of the Mike Horse mine in the Heddleston district, by the American Smelting and Refining Company, gives the Blackfoot Valley a renewed promise of a prosperous future in its role as a mining district. In the past, large amounts of placer gold were recovered from the gulches of the area, however, because of the transportation facilities, only the upper portions of a few lodes were exploited by the early miners.
Rugose Corals Of The Madison Group, William R. Paine
Rugose Corals Of The Madison Group, William R. Paine
Bachelors Theses and Reports, 1928 - 1970
One of the best types of index fossils, and one which occurs most plentifully in the Madison group of formations in Montana, and yet, one which has been little studied, is the group of rugose, or cup, corals. Perhaps this group of fossils has not been studied in detail because their distinguishing characteristics are mainly internal, and laboratory preparation in the form of thin section or polished surfaces is necessary to bring out these characteristics.
Kibbey Sandstone In Montana, Glen Shean
Kibbey Sandstone In Montana, Glen Shean
Bachelors Theses and Reports, 1928 - 1970
Much attention has recently been given, by geologists, to prolific water bearing horizon and a potential oil horizon, known as the Kibbey sandstone, which lies deeply buried under much of central Montana. In some localities the sandstone is dry, and its identification in cuttings from deep wells has in many cases proved difficult.
The Geology And Ore Deposits Of The Ruby Gulch Mine, Henry J. Roletto, John X. Combo
The Geology And Ore Deposits Of The Ruby Gulch Mine, Henry J. Roletto, John X. Combo
Bachelors Theses and Reports, 1928 - 1970
The Ruby Gulch Mine, owned and operated by the Ruby Gulch Mining Company, Zortman, Montana, is one of the most important low-grade gold producers in the state. Situated in the Little Rocky Mountains, the mine has had an interesting history since its discovery shortly before the turn of the century.
Corrosion Testing Of Iron-Tin Alloys By The Salt Spray Method, Bernard T. Mcdonald
Corrosion Testing Of Iron-Tin Alloys By The Salt Spray Method, Bernard T. Mcdonald
Bachelors Theses and Reports, 1928 - 1970
The purpose of this study was to determine the relative rate of corrosion of iron-tin alloys containing low percentages of tin. Since in the world today, a great deal of work is being done to develop large tin deposits and new methods devised to treat these ores, it is possible that the metal will become abundant and will obtain a more important position in the metal industry.
An Investigation Of A Particular Weldment Failure, Byron Clow
An Investigation Of A Particular Weldment Failure, Byron Clow
Bachelors Theses and Reports, 1928 - 1970
Two sets of weld-test coupons, supposedly made under identical conditions, were submitted to this institution last year for approval and certification under the A.S.M.E. Welder's Qualification Code. The first set of coupons was unsatisfactory. The second set, made by the same operators one month later, was satisfactory.
The Corrosion Resistance Of Iron-Tin Compacts As Produced By Powder Metallurgy, Robert W. Gambill
The Corrosion Resistance Of Iron-Tin Compacts As Produced By Powder Metallurgy, Robert W. Gambill
Bachelors Theses and Reports, 1928 - 1970
The art of Powder Metallurgy deals with the preparation of metal powders and their utilization. As a more pertinent definition, the following has been suggested: "Powder Metallurgy is the art of producing metal powders and shaped objects from individual, mixed, or alloyed metal powders, with or without the inclusion of non-metallic constituents".
Geology And Mineral Deposits Of Idaho: A Summary, Paul B. Bronken
Geology And Mineral Deposits Of Idaho: A Summary, Paul B. Bronken
Bachelors Theses and Reports, 1928 - 1970
The great diversity on mineral wealth in Idaho establishes it as one of the principle mining states in the union. Mining first began in the state with the discovery of placer gold in the Pierce City district in 1861, and since that date has become one of the leading industries of the state.
Upper Cretaceous Sediment In Montana, Frank J. Frankovich
Upper Cretaceous Sediment In Montana, Frank J. Frankovich
Bachelors Theses and Reports, 1928 - 1970
Cretaceous sediments in Montana record events during a period of unusual geologic interest. After a long period of extensive submergence of the area during Jurassic time, came a period of varying continental and marine deposition with consequent variations in the types of sediments laid down. A study of these variations, their extent, and their cause has been the primary object of this thesis.
Occurrence Of Native Copper Near Jefferson City, Montana, Terence G. Kirkland
Occurrence Of Native Copper Near Jefferson City, Montana, Terence G. Kirkland
Bachelors Theses and Reports, 1928 - 1970
Sometime prior to 1870, a group of prospectors made what was believed to be a "rich strike' on one of the tributaries of Prickly Pear Creek in Jefferson County, Montana. Instead of striking it rich, they had uncovered a native copper deposit, worthless to them because of its limited extent and remote location, but now of much interest to the geologist, and to the mining engineer because of its possible commercial value.
Electro-Deposition Of Iron From A Chloride Bath, Charles W. Noon
Electro-Deposition Of Iron From A Chloride Bath, Charles W. Noon
Bachelors Theses and Reports, 1928 - 1970
Iron was electro-deposited from a ferrous chloride bath. Studies were made of deposits formed when current density was varied, and finally when both current density and temperature were changed. An attempt was made to lay the ground work for a long range study of the chloride bath, and to determine the most simple conditions possible for obtaining a smooth, even, and thick deposit.
General Geology And Mines Of Northwestern Montana, Robert L. Sandvig
General Geology And Mines Of Northwestern Montana, Robert L. Sandvig
Bachelors Theses and Reports, 1928 - 1970
The five counties discussed in this paper compose the northernmost and westernmost counties in Montana. On the eastern boundary are Glacier National Park and the Continental Divide; on the southern boundary are Missoula and Powell counties; Idaho lies on the southwestern and western side; and the Canadian border lies along the northern edge. The region is on the Pacific Ocean side of the Rocky Mountains. Three major rivers, the Clark Fork, the Flathead, and the Kootenai drain this area into the Columbia River.
The Problem Of The Tensleep Sandstone, George D. Mccarthy
The Problem Of The Tensleep Sandstone, George D. Mccarthy
Bachelors Theses and Reports, 1928 - 1970
Sandstone is probably one of the most important groups of rocks in existence today. The economic importance of so insignificant a thing as a mass of sand grains grows with the true reality of the situation. By increasing our knowledge of grains of sand, or particles of sandstone in all their ramifications, it would undoubtedly reflect upon our everyday life by increasing commercial possibilities of an undeveloped natural resource of Montana.
Isopach Maps And Discussion Of The Ordovician And Devonian Of Montana And Adjacent Areas, Arden F. Blair
Isopach Maps And Discussion Of The Ordovician And Devonian Of Montana And Adjacent Areas, Arden F. Blair
Bachelors Theses and Reports, 1928 - 1970
The intensive postwar search for new petroleum horizons has resulted in widespread prospecting in the northern Great Plains. No commercial production has as yet been derived from Ordovician or Devonian rocks in Montana, but the relatively few tests that have penetrated to critical depths have disclosed encouraging conditions which merit further consideration, especially in Devonian strata.
The Anodic Polishing Of Copper In Solutions Of Orthophosphoric Acid, Robert E. Sullivan
The Anodic Polishing Of Copper In Solutions Of Orthophosphoric Acid, Robert E. Sullivan
Bachelors Theses and Reports, 1928 - 1970
The electrolytic cleaning of metals by anodic methods has been known for many years. It was recognized long ago that when the temperature and concentration of the electrolyte were properly regulated, bright clean surfaces were obtained.
Geology Of A Kyanite Deposit Near Ennis, Montana, Clarence L. Nordstrom
Geology Of A Kyanite Deposit Near Ennis, Montana, Clarence L. Nordstrom
Bachelors Theses and Reports, 1928 - 1970
A deposit of kyanite, an aluminum silicate mineral used in the ceramic industry, occurs in the low foothills of the Gravelly range about 10 miles south of Ennis, Montana. This study deals primarily with the character and origin of the deposit, and its relationship to the surrounding rocks.
A Preliminary Investigation Of Chromite, Lester C. Brown
A Preliminary Investigation Of Chromite, Lester C. Brown
Bachelors Theses and Reports, 1928 - 1970
The purpose of this thesis was to study the effects of cryolite and a mixture of cryolite and aluminum oxide on a chromite concentrate with special reference to the ability to break the bond between the ferrous iron and chromic oxide in the chromite.
Distribution And Lithology Of Sedimentary Rocks In Montana And Adjacent Areas, Harold Kentta
Distribution And Lithology Of Sedimentary Rocks In Montana And Adjacent Areas, Harold Kentta
Bachelors Theses and Reports, 1928 - 1970
The general features of the sedimentary rocks in a region, their distribution, and the relationships of these rocks to other rocks of the area and of adjacent areas, are some of the things in which most geologists are interested, for reasons of general curiosity or for obtaining a better understanding of their specific problems