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Map Releases

Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. 

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Mercury occurrences in Alaska

No abstract available.

Uranium, thorium, and rare-earth elements in Alaska

No abstract available.

(LAC-11) Geologic map of the J. Herschel quadrangle of the moon

Lunar surface materials are classed into units on the basis of visual observations and data from telescopic and Lunar Orbiter photographs. Each unit has a distinctive range of physical characteristics, such as topography and albedo (reflectivity under full-Moon illumination), and is considered analogous to a terrestrial rock-stratigraphic formation.  These characteristics rather than lithologic pr

(LAC-24) Geologic map of the Sinus Iridum quadrangle of the moon

The Sinus Iridum quadrangle includes the northwestern sector of Mare Imbrium, the Sinus Iridum embayment, the arcuate Montes Jura which partly surround Sinus Iridum, and several terra islands in the mare such as the Montes Teneriffe, Montes recti, and C. Herschel *. Mare imbrium occupies a complex depression or basin consisting of an inner basin and several outer concentric troughs separated by ra