United States Geological Survey Yearbook |
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Page 16
These mineral raw materials have been provided in bountiful fashion from the
apparent cornucopia of the Earth's resources . In the early days of our Nation's
history , deposits of metals and other mineral materials were found in close
proximity ...
These mineral raw materials have been provided in bountiful fashion from the
apparent cornucopia of the Earth's resources . In the early days of our Nation's
history , deposits of metals and other mineral materials were found in close
proximity ...
Page 19
Research to determine the origin and the location of mineral deposits formed
during these ancient events will aid in the discovery of new mineral resources .
acres of total onshore area for the United States ) are virtually unknown . Three
types ...
Research to determine the origin and the location of mineral deposits formed
during these ancient events will aid in the discovery of new mineral resources .
acres of total onshore area for the United States ) are virtually unknown . Three
types ...
Page 24
System ( MRDS ) evolved from the CRIB to become the primary storage system
for descriptive and archived historical mineral data for domestic and international
deposits . It is now a major reference tool for Federal , State , and mineral ...
System ( MRDS ) evolved from the CRIB to become the primary storage system
for descriptive and archived historical mineral data for domestic and international
deposits . It is now a major reference tool for Federal , State , and mineral ...
Page 25
ical Survey geologists with field mapping and other research experience in
various types of mineral deposits to record systematically the chemical and
mineralogical characteristics and to decipher the geologic environments of
formation of ...
ical Survey geologists with field mapping and other research experience in
various types of mineral deposits to record systematically the chemical and
mineralogical characteristics and to decipher the geologic environments of
formation of ...
Page 28
The majority of known disseminated gold deposits in the United States are
located in Nevada and Utah ( fig . 5 ) . Gold occurs in the deposits as micrometer
- sized particles generally disseminated in either silty to sandy , organic - rich ...
The majority of known disseminated gold deposits in the United States are
located in Nevada and Utah ( fig . 5 ) . Gold occurs in the deposits as micrometer
- sized particles generally disseminated in either silty to sandy , organic - rich ...
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activities addition Administration agencies Alaska analysis aquifer areas assessment Assistant associated basins Bldg Board Bureau California cartographic changes Chief City City of w coal collected Commission completed concentrations Conservation contaminants continued Control Cooperative County data base Department deposits distribution District District w Division earthquake energy Environmental eruption Federal feet Figure fiscal year 1984 flow geographic glacier ground water ground-water hazards hydrologic important increase International irrigation Lake land located major Management maps measured miles million mineral resources models National Center Natural needs North Office Operations organic Planning potential prepared present problems production Public quadrangle range record Regional reports River rocks scientific scientists selected Service showing sources stations STOP studies supplies surface techniques tion Transportation trends types U.S. Geological Survey understanding United waste Water Resources zone