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Page 5586, results 139626 - 139650

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Geology and mineral resources of central Antioquia Department (Zone IIA), Colombia
R.B. Hall, Jairo Alvarez A., Hector Rico H.
1973, Open-File Report 73-97
This report summarizes the geology of an area of some 6000 square kilometers in the northern part of the Central Cordillera of the Colombian Andes. The area, in north-central Department of Antioquia, was mapped between 1964 and 1968 as part of the Inventario Minero Nacional (IMN) project. Mineral resources are...
Geology and evaluation of tungsten anomalies, Buhairan-Abu Khurg area, southeastern part of the Uyaijah ring structure, Kingdom of Saudi Arabia
F. C. W. Dodge
1973, Open-File Report 73-60
Previous geochemical exploration has indicated areas in the Precambrian Al Uyaijah ring structure for further investigation. This report encompasses the results of geologic and geochemical investigations made in a 40 square kilometer area located on the southeast perimeter of the ring structure, an area where previous geochemical exploration revealed anomalous...
Geologic setting and chemical characteristics of hot springs in central and western Alaska
Thomas P. Miller, Ivan Barnes, William Wallace Pattan Jr.
1973, Open-File Report 73-188
Numerous hot springs occur in a variety of geologic provinces in central and western Alaska. Granitic plutons are common to all the provinces and the hot springs are spatially associated with the contacts of these plutons. Of 23 hot springs whose bedrock geology is known, all occur within 3 miles...
Barite in Pakistan
F.L. Klinger, R.L. Richards
1973, Open-File Report 73-145
Before 1953 almost no barite deposits were known in Pakistan. Discovery of such deposits relatively close to oil fields in northern Pakistan in 1953 led to increased barite production from 1957 to 1961 and to doubling of production in 1962, firmly establishing new industry for the country. During 1962 and...
Salt deposits in Los Medanos area, Eddy and Lea Counties, New Mexico
C.L. Jones, Maurice E. Cooley, George Odell Bachman
1973, Open-File Report 73-135
The salt deposits of Los Medanos area, in Eddy and Lea Counties, southeastern New Mexico, are being considered for possible use as a receptacle for radioactive wastes in a pilot-plant repository. The salt deposits of the area. are in three evaporite formations: the Castile, Salado, and Rustler Formations, in ascending...