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Publications

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Frontier Formation and equivalent rocks in eastern Wyoming

No abstract  available.
Authors
E. Allen Merewether, W. A. Cobban, E.T. Cavanaugh

Terrain corrections for borehole gravity measurements

This note presents examples of terrain corrections calculated for borehole gravity surveys made in a variety of topographic settings. The effect of terrain corrections on vertical density profiles calculated from borehole gravity measurements also is shown.
Authors
Larry A. Beyer

Assessing Metallic Resources in Alaska

In the last two decades federal and state governments have become in creasingly preoccupied with classi fying public lands according to the uses that may be made of them. One outcome of the classifying can be a change in the land's legal status from one in which any use is tolerated to one in which only selected activities are allowed. Since such a change af fects the economic and recreational op
Authors
Donald A. Singer, A. Thomas Ovenshine

Revised geomagnetic polarity time scale for the interval 0–5 m.y. B.P.

A change in the constants used in K‐Ar dating and a significant increase in new data have made a recompilation and recomputation of data used to define the Late Cenozoic K‐Ar polarity time scale highly desirable at this time. All available data in the range 0–5 m.y. have been recalculated using the refined constants, with 354 data points in this time interval now meeting the minimum criteria for a
Authors
Edward A. Mankinen, G. Brent Dalrymple
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