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Filter Total Items: 9587

Maps showing Quaternary geology of the northern Maryland part of the Chesapeake Bay Maps showing Quaternary geology of the northern Maryland part of the Chesapeake Bay

No abstract available.
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Chesapeake Bay Activities

Maps showing Quaternary geology of the northern Virginia part of the Chesapeake Bay Maps showing Quaternary geology of the northern Virginia part of the Chesapeake Bay

No abstract available.
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Chesapeake Bay Activities

Maps showing Quaternary geology of the southern Maryland part of the Chesapeake Bay Maps showing Quaternary geology of the southern Maryland part of the Chesapeake Bay

No abstract available.
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Chesapeake Bay Activities

Maps showing structure contours at the base of the Dakota Sandstone, paleotopographic contours at the base of the Westwater Canyon Member of the Morrison Formation, and inferred actively rising structures and depocenter axes during Jurassic time, San Juan Maps showing structure contours at the base of the Dakota Sandstone, paleotopographic contours at the base of the Westwater Canyon Member of the Morrison Formation, and inferred actively rising structures and depocenter axes during Jurassic time, San Juan

No abstract available.

Maps showing the ratio of sandstone to mudstone and the number of mudstone interbeds in the Westwater Canyon Member of the Morrison Formation, San Juan Basin, New Mexico Maps showing the ratio of sandstone to mudstone and the number of mudstone interbeds in the Westwater Canyon Member of the Morrison Formation, San Juan Basin, New Mexico

No abstract available.

Maps showing trace-element geochemistry of the Sangre de Cristo Wilderness Study Area, south-central Colorado Maps showing trace-element geochemistry of the Sangre de Cristo Wilderness Study Area, south-central Colorado

A trace-element geochemical study of the Sangre de Cristo Wilderness Study Area included the collection of 710 heavy-mineral-concentrate samples, 767 minus-80 mesh stream-sediment samples, and 145 rock samples. All samples were analyzed for 31 elements by semiquantitative emission-spectrographic methods, and some stream-sediment and rock samples were also analyzed for selected elements...
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