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Full-Text Articles in Physical Sciences and Mathematics
Some Notes On The Composition Of "Copper Pitch", Richard R. Matthew
Some Notes On The Composition Of "Copper Pitch", Richard R. Matthew
Bachelors Theses and Reports, 1928 - 1970
A supply of so-called "copper pitch" ore was received by the Montana Bureau of Mines and Geology in response to a request by them from a resident of Kalispell, who had previously sent a specimen to the Bureau for a mineralogical analysis.
Since this material was little known and had apparently received but little study under a reflecÂting microscope, it was thought that such a study might throw some light on the mineralogical and chemical composition of the material.
Joint Planes In The Rhyolites Of The Butte District, Montana, John B. Hopkins
Joint Planes In The Rhyolites Of The Butte District, Montana, John B. Hopkins
Bachelors Theses and Reports, 1928 - 1970
The problem herein discussed deals with the pointing planes found in the area of rhyolite located in the northwestern portion of the Butte District. The question to be determined was whether or not the pointing planes in the rhyolites could be classÂified with the Butte Ore fissure systems.
The Aplitic Body Bordering Roosevelt Drive South Of Butte, Montana, Edward B. Trueworthy Jr.
The Aplitic Body Bordering Roosevelt Drive South Of Butte, Montana, Edward B. Trueworthy Jr.
Bachelors Theses and Reports, 1928 - 1970
The area studied consists of a large body of aplite situated 12 miles south of Butte. It extends eastward almost to the Butte-Pipestone road, southward to Lime Kiln Hill and westward a distance of 3000 feet.
The petrographic work was supplemented by a map of the area. Special attention was given to those frequent "Limonite Specks" found in the aplite.