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Articles 61 - 64 of 64
Full-Text Articles in Earth Sciences
Geology Of The Hagan Coal Basin, Earl P. Harrison
Geology Of The Hagan Coal Basin, Earl P. Harrison
Earth and Planetary Sciences ETDs
This study was undertaken with the foremost objective of determining the stratigraphy and structure of the area, and correlating it with known surrounding areas.
The method of study was through geologic mapping in the field. The formational contacts, faults and other features were studied in the field with the aid of aerial photographs. The sections were measured in the field by hand-leveling with a Brunton compass up across the exposures. The lithology of the formations was studied as the sections were measured. The base map was taken from a planimetric map prepared by the Soil Conservation Service from aerial photos. …
Paleoecology Of The Brachiopoda, Celia Faith Hendren
Paleoecology Of The Brachiopoda, Celia Faith Hendren
Earth and Planetary Sciences ETDs
The immediate concern of the writer in the preparation of this thesis is not so much to give long statistical lists of conclusions (unfortunately this type of material is exceedingly scarce), but to sift the readily available facts in print and prepare a brief history of the work already accomplished on living and fossil Brachipoda. Where possible, there will be a discussion and evaluation of the views presented by different authors.
Correlation Between Electric And Lithologic Characteristics In Four Wells In San Juan County, New Mexico, Edward C. Beaumont
Correlation Between Electric And Lithologic Characteristics In Four Wells In San Juan County, New Mexico, Edward C. Beaumont
Earth and Planetary Sciences ETDs
The primary objective of the problem is to relate electric characteristics to lithologic characteristics in four wells in San Juan County, New Mexico. The secondary objective is to decipher stratigraphic correlations between wells. The wells, in San Juan County, are geologically located in the San Juan Basin, a structural basin in the Colorado Plateau. The formations range in age from Paleozoic Cambrian (?) to Cenozoic Recent. The boundaries of the Basin are ill-defined and have shifted throughout the history of the area.
The Paleontology And Stratigraphy Of The Magdalena Group Of Northern And Central New Mexico, Wallace A. Bisbee
The Paleontology And Stratigraphy Of The Magdalena Group Of Northern And Central New Mexico, Wallace A. Bisbee
Earth and Planetary Sciences ETDs
No abstract provided.