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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. 

Filter Total Items: 8997

Geologic map of the Evergreen Quadrangle, Jefferson County, Colorado

No abstract available.

Geologic map of the Flamsteed K region of the Moon (Lunar Orbiter site III P-12, Oceanus Procellarum)

The Flamsteed K region is in the southern part of Oceanus Procellarum, approximately 60 km (kilometers) north of the crater Flamsteed and 330 km southwest of the crater Kepler. The region was photographed by Lunar Orbiters I and III; it includes the landing site of Surveyor I and a potential early Apollo landing site. The area is included in a 1:1,000,000-scale map by Marshall (1962). 

Geologic map of the Fracastorius Quadrangle of the Moon

The multi-ringed Nectaris basin (Hartmann and Kuiper, 1962) dominates the Fracastorius quadrangle. The basin is 840 km across as measured from the outermost ring and lies athwart four quadrangles. Fracastorius, the southeastern quadrangle, straddles the three rings of the basin (fig. 1). In this quadrangle most pre-Imbrian structures and many depositions were formed by the Nectaris impact. Further

Geologic map of the Henrys Lake Quadrangle, Idaho and Montana

No abstract available.

Geologic map of the Hommel quadrangle of the Moon

The Hommel quadrangle is in the southeast highlands of the earthside hemisphere of the Moon. The major geologic units are smooth and ridged terra materials, plains-forming materials, and crater materials. Mare material is absent. In the absence of extensive stratigraphic datum horizons, the geologic units were tentatively correlated with type areas of the lunar geologic system (Shoemaker and Hackm

Geologic map of the Isla de Mona Quadrangle, Puerto Rico

No abstract available.

Geologic map of the Jackson Quadrangle, Teton County, Wyoming

No abstract available.

Geologic map of the Kelly iron deposit, sec. 25, T.6 S., R.5 W., Madison County, Montana

No abstract available.

Geologic map of the lower Cache La Poudre River basin, north-central Colorado

No abstract available.

Geologic map of the Lunar Crater Quadrangle, Nye County, Nevada

No abstract available.

Geologic map of the Macrobius Quadrangle of the Moon

The Macrobius quadrangle is in the northeast quadrant of the Moon’s near side. Although predominantly a highland area centered around the Taurus Mountains (Montes Taurus), it is bounded by three major mare-filled basins: Tranquillitatis, the oldest, to the south; Serenitatis to the west; and Crisium on the east. Most of the geologic units within the quadrangle have been profoundly affected by the

Geologic map of the Maurolycus Quadrangle of the Moon

The Maurolycus quadrangle, located in the southeastern highlands, includes densely to moderately cratered terrain with many craters larger than 45 km in rim crest diameter. Several appear to be ancient and may be among the most primitive discernable features on the lunar surface. Major stratigraphic units consist of the Janssen Formation, hummocky terra and pitted plains materials, and extensive c