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Page 6557, results 163901 - 163925

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Geophysical ore guides along the Colorado mineral belt
James E. Case
1967, Open-File Report 67-39
A 40-50-mgal gravity low trends northeast along the Colorado mineral belt between Monarch Pass and Breckenridge, Colorado. The low is probably caused by a silicic Tertiary batholith of lower density than adjacent Precambrian crystalline rocks. Many major mining districts associated with silicic Tertiary intrusives are near the axis of the...
Geologic reconnaissance in western Liberia
G. W. Leo, R.W. White
1967, Open-File Report 67-147
Irazu volcano, a large composite cone, consists of interbedded lava flows, lahars, and ash beds. This rock sequence, named the Irazu Group, has been divided into four formations; from the base: Reventado Formation, Sapper Formation, Birris Formation, and Cervantes Formation. Only the Reventado and Sapper Formations crop out in the...
Preliminary geologic map of Lunar Orbiter site orb III P-9
H. A. Pohn
1967, Open-File Report 68-215
Lunar Orbiter site III P-9 occupies a lowland area between Mare Cognitum and Oceanus Procellarum, approximately 135 km southeast of the crater Lansberg and approximately 240 km due south of the crater Reinhold. ...