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Petrology Of The Cenozoic Igneous Rocks Of The Tinton District, Black Hills, South Dakota - Wyoming, John T. Ray

Theses and Dissertations

The Tinton district is located on the northwest flank of the Black Hills uplift, 20 km west of Lead, South Dakota, along the Wyoming South Dakota border. The Tinton or Nigger Hill uplift comprises a central area of domed Precambrian Xstrata with marginal exposures of Paleozoic sedimentary rocks which dip radially outward on all sides. The area was intruded by Cenozoic igneous rocks that include a stock of quartz latite/quartz trachyte porphyry, an alkalic ring dike complex, lamprophyre dikes and intrusive breccia.

Precambrian rocks are represented by a sequence of metapelites thst have been intruded by metabasite and granitic pegmatite …

Petroleum Potential Of The Tilston Interval (Mississippian) Of Central North Dakota, John P. Himebaugh

Theses and Dissertations

The Tilston interval sediments were deposited on the eastern flank of the Williston basin of North Dakota, Manitoba and Saskatchewan. The interval (Osagian) is composed of a basal carbonate and upper anhy drite in the predominantly carbonate Mississippian Madison Formation. The interval consists of four major facies (subtidal, shoal, tidal flat and supratidal anhydrite), and two geographically restricted facies (lagoonal and elastic) and represents a regressive sequence.

Tilston deposition began with the subtidal facies, deposited on a broad, shallow shelf. As the sea regressed this was followed by deposition of the shoal facies. Further regression resulted in the deposition of …

Depositional Environments And Diagenesis Of The Mississippian Bottineau Interval (Lodgepole) In North Dakota, Thomas J. Heck

Theses and Dissertations

Bottineau interval rocks from the North Dakota part of the Williston Basin comprise a single marine transgression/regression cycle, Early Mississippian (lower Scallion subinterval) marine transgression from the restricted depositional environment of the Bakken Formation resulted in normal marine circulation, Six major facies were developed: (1) the central basin, (2) basin flank, (3) open shelf, (4) crinoidal mudstone, (5) gray shale, and (6) restricted shelf. Marine transgression continued until upper Scallion subinter val time, by which time the open shelf facies had already prograded over the gray shale and crinoidal mudstone facies.

Marine regression had begun by middle Bottineau interval (Virden …

Paleoecology Of Late Quaternary Molluscan-Ostracod Assemblages From The Norwood Site, Southeastern Minnesota, Kevin L. Malmquist

Theses and Dissertations

Well-preserved fossils, including mollusks, ostracods, beetles and plant remains were extracted from sediments at the Norwood Site in southeastern Minnesota during July, 1977. Stratigraphic units, in ascending order, were: (1) sandy claystone, (2) clayey siltstone, (3) sandy siltstone, and (4) laminated peat. Unit 1 was interpreted to be till or sediment that slumped or flowed into the lake. Unit 2 and the lower part of unit 3 were interpreted to be lacustrine sediments. The upper part of unit 3 was interpreted to be a shoreline deposit. Unit 4 was interpreted to be a terrestrial or marginal lacustrine deposit. Total thickness …

The Geohydrology And Hydrogeochemistry Of The Proposed Garrison Lignite Mine, Kevin Morin

Theses and Dissertations

A local groundwater study is a necessity before the opening of any lignite mine in North Dakota. The study becomes an important reference for the environmental impact during mining and after reclamation.

This report is a groundwater study of the Proposed Garrison Lignite Mine, McLean County, North Dakota. The mineable lignite is in the lower Sentinel Butte Formation (Paleocene). The remainder of the Paleocene material at the proposed mine site is mostly fluvial silty clay deposits with some sand beds. Pleistocene deposits, mostly pebble loam (till), cover the Sentinel Butte at the mine site.

Ninety piezometers in twenty-eight nests were …

Applied Geology In The Beulah-Hazen Area, Mercer County, West-Central North Dakota, Gary N. Meyer

Theses and Dissertations

Increased lignite development around the small towns of Beulah and Hazen, North Dakota, will cause rapid growth and necessitate the develop ment of new subdivisions and expansion of present sewage disposal facili ties. A detailed geologic study of a 9 0-square mile area surrounding the two towns was undertaken to provide information valuable to those concerned with proper management of this growth. A surface and near-surface materials map was prepared at a scale of 1:24, 000 showing relative depths and thicknesses of a maximum of three earth materials to a depth of 9 m. Eleven units were mapped at the …

Geology Of Igneous Extrusive And Intrusive Rocks In The Sundance Area, Crook County, Wyoming, Earl F. Fashbaugh

Theses and Dissertations

Two major igneous rock types occur in the Sundance, Wyoming area including foyaite of the Bear Lodge Mountain sill and quartz latite of Sundance Mountain and Sugarloaf Mountain. The igneous bodies were mapped on a scale of 1:5000 in an effort to determine petrogenetic relationships between the two rock types.

Sundance Mountain and Sugarloaf Mountain are extrusive in origin. Quartz latite occurs as subparallel units of breccia, tuff, and massive flows without any clear cross-cutting relationships. Fragmental types (breccia and cuff) constitute 41 to 76 percent of the rocks, suggesting that Sundance Mountain is a mixed cone. The quartz latite …

Lexicon Of Bedrock Stratigraphic Names Of North Dakota, Joanne Van Ornum Groenewold

Theses and Dissertations

This lexicon of bedrock stratigraphic names of North Dakota consists of a general definition of each unit as well as the history of stratigraphic nomenclature, An attempt was made to include all units for North Dakota whether formally or informally named, or cur rently being used in the state. The general definition includes name(s) of the unit, age, area of extent, lithology, relationships to other units, characteristic fossils, economic significance, depo sitional environment, type section (1£ one has been proposed), and other remarks that might be significant. The history of strati graphic nomenclature includes a chronological listing of the first …

The Ionic Characteristics Of Hydrolytic Enzyme Systems., Sylvia Arlyce Farnum

Theses and Dissertations

No abstract provided.

The History Of The Typewriter In The United States From 1933 Through 1977, Ed E. Quiring

Theses and Dissertations

No abstract provided.

Historical And Cultural Background Of The Turtle Mountain Band Of Chippewa Indians For Teachers, Margaret Ann Bearking

Theses and Dissertations

No abstract provided.

Exemplary Instructional Materials For The Graphic Communication Cluster, Eddie G. Poehls

Theses and Dissertations

No abstract provided.

Development Of A Model For Securing Evaluative Data Regarding The Educational Program Of Seniors And Graduates From Central And Red River High Schools In Grand Forks, North Dakota, Ronald M. Gruwell

Theses and Dissertations

No abstract provided.

A Study Of Content In The Language Performance Of Pre-School Children, Cynthia Anne Mooibroek

Theses and Dissertations

No abstract provided.

Momaday And Camus : Imagination And Lucidity In Spiritual Deliverance, Bernard A. Miller

Theses and Dissertations

No abstract provided.

The Energy Cost Of Throughput, Richard A. Nichols

Theses and Dissertations

No abstract provided.

Perceptions Of Students' Self And Ideal Self By Teachers And Students At The Red Lake Indian Reservation, Janet Lee Sullivan

Theses and Dissertations

No abstract provided.

Regression Techniques In Time Series Analysis, Paul V. Bruce

Theses and Dissertations

No abstract provided.

Isothermal Heat Transfer Through A Thin Fluid Film Undergoing A Phase Change With A Secondary Heat Transfer From A Warm Environment, James Craig Wendschlag

Theses and Dissertations

No abstract provided.

A Study Of A Wind Tunnel Measurement System For Unsteady Pressures Using Pneumatic Transmission Lines, Mohammed Javed Khan

Theses and Dissertations

The application of pneumatic transmission lines theory to a tube-scanning valve system for unsteady pressure measurements in the AFIT 5-foot wind tunnel is investigated. Transfer gains of various tube-scanning valve configurations were experimentally measured and the validity of a theoretical model verified for a frequency range of 20 Hz to 140 Hz. The selected system having a 0.0625-in. ID flexible tube of 84 in. length connected to a scanning valve was installed in the wind tunnel. Unsteady pressures introduced over an 18 percent airfoil at zero angle of attack were measured with this system. Data were collected for 0, 40, …

Accounting Measurement And Changing Prices, John D. Haugen

Theses and Dissertations

No abstract provided.

Bench-Scale Study Of Sulfur And Nitrogen Oxides Absoption By Nahcolite And Trona, Frederick R. Stern

Theses and Dissertations

The extent and rates of sulfur and nitrogen oxides 'dry' adsorption by nahcolite and trona were measured. Experiments were conducted by passing simulated flue gas through a fixed bed of test material. Variables considered in the study were particle size, reaction temperature, concentration of sulfur dioxide, and concentration of water vapor in the flue gas.

High reaction rates were noted for the adsorption of sulfur dioxide by nahcolite at reaction temperatures of 400-650° F and for particle diameters of 0.19 mm or less. Based on the adsorption of sulfur dioxide, certain tests resulted in nahcolite utilizations of over 95 pet. …

Preferences For Male Or Female Counselors As Related To Student-Counselee Sex, Grade Level, Type Of Presenting Concern And Self-Esteem, Mary Jane Sullivan

Theses and Dissertations

Problem: The purpose of this study was to investigate the relationship between the selected variables of student-counselee -- sex, grade level, and self-esteem -- and the preference for a male or a female counselor by types of presenting concerns.

Procedure: The subjects of this study consisted of 375 students, 189 males and 186 females, enrolled in a junior-senior high school in a rural community in north central Minnesota The subjects were all adolescents in grades seven through twelve, inclusive. The sample size for each grade level ranged from a minimum of sixty to a maximum of sixty-nine.

The instruments used …

Professional Schools Of Accounting: A Look At The Issues, Frank J. Beil

Theses and Dissertations

No abstract provided.

A Study Of General Price-Level Accounting, Gray M. Sunderman

Theses and Dissertations

No abstract provided.

Rheological Study Of Solvent Refined Lignite Melts, Ajit Venkatraman

Theses and Dissertations

The rheology of solvent refined lignite (SRL) melts was studied using a Brookfield rotational viscometer with a Thermosel system to enable high temperature measurements. The SRL samples were obtained from the Project Lignite process development unit at the University of North Dakota. The effects of temperature cycling, air exposure during heating and continuous shearing over extended periods of time on the viscosity of SRL melts were investigated to develop a suitable method for measuring the viscosities of these melts.

The viscometric data were analyzed for shear dependence and tested using Newtonian, Bingham plastic, and power law models. The Newtonian model …

The Impact Of Supplementary Active Air-Type Solar Heating Unit On A Conventional Heating System, Roger D. Boe

Theses and Dissertations

The concern of this research was to investigate and determine impact of supplementary active air-type solar heating on a conventional heating system. A second concern involved a review of literature regarding the structural design of an active air-type solar heating unit.

This study attempted to: (a) determine the structural design of active air-type solar heatings by a review of literature, (b) collect data from a home utilizing air-type solar heating and conventional system, (c) analyze the data and determine the impact of air-type solar heating units on conventional heating systems, and (d) determine the combined effect of an air-type solar …

Calculation Of Galois Groups, Daniel Schnackenberg

Theses and Dissertations

In the 19th Century Galois developed a method for determining whether an equation is solvable. It relied on the close relationship between fields and their automorphism group. This paper is a survey of the techniques of Galois theory. After presenting the main results of elementary Galois theory and some useful facts about factorization, I develop the important methods of calculating the Galois group and give a proof of the Chebotarev density theorem.

Accounting And The Efficient Market Hypothesis, Carol S. Dobitz

Theses and Dissertations

No abstract provided.

A Comparative Study Of Academic Achievement Of Full-Blood And Mixed-Blood Indian Students, Paul J. Comeau

Theses and Dissertations

No abstract provided.