Santa Cruz


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Hydrothermal Alteration Maps of the Central and Southern Basin and Range Province of the United States Compiled From Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Data

Maps and data showing the geographic distribution of surficial minerals likely produced by hydrothermal alteration, which may indicate areas permissive of gold and copper mineral deposits.

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Maps of hydrothermal alteration in the Basin and Range province of the US

Maps and data showing the geographic distribution of surficial minerals likely produced by hydrothermal alteration, which may indicate areas permissive of gold and copper mineral deposits.

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Geologic map of the Patagonia Mountains, Santa Cruz County, Arizona

Spatial databases for map units, strike and dip, geologic contacts, faults, dikes, in addition to a topographic base map are provided in an Esri file geodatabase. The geologic mapsheet is also provided as a PDF.

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Geochemistry of soils from the San Rafael Valley, Santa Cruz County, Arizona

Surficial geochemical methods used to identify subsurface mineral deposits covered by alluvium. Can a geophysical anomaly, interpreted as a buried granite pluton, be discerned from the geochemical characteristics of overlying Quaternary sediments?

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Spatial digital database for the tectonic map of southeast Arizona

Geologic map GIS which represents the original content of the published geologic map and which can be queried in many ways to produce a variety of geologic maps and derivative products.

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An interpretation of the 1996 aeromagnetic data for the Santa Cruz basin, Tumacacori Mountains, Santa Rita Mountains, and Patagonia Mountains, South-Central Arizona

Measurements of in-situ magnetic properties of several map units to determined whether or not mapped lithologies were responsible for aeromagnetic anomalies observed in a previous high-resolution survey (data of Sweeney, 2000).

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Three aeromagnetic surveys in south central Arizona

Grids and flight-line data for the surveys of this area

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Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona

Extensive core drilling has delineated a large, deep seated, structurally intact deposit here. Distribution of elements and minerals determined for this study provide a zoning model applicable to similar deposits and useful for resource exploration.

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Audiomagnetotelluric survey to characterize the Sunnyside porphyry copper system in the Patagonia Mountains, Arizona

Audiomagnetotelluric (AMT) sounding data collected in 2008 in this area in support of assessments of concealed mineral resources.

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Argon data for Santa Cruz Basin

40Ar/39Ar data from samples in this area to provide age constraints on units in the relevant geologic mapping. Data are provided in CSV and shapefile formats.

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National Geochemical Database on Ore Deposits: Legacy data

Chemistry and geologic information for nearly 30,000 historic ore and ore-related rock samples from mineral deposits and mining districts in the United States. Data are provided in Microsoft Access and CSV formats.

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Magnetotelluric survey to characterize the Sunnyside Porphyry Copper System in the Patagonia Mountains, Arizona

Magnetotelluric sounding data collected in 2008 in this area to help USGS understand concealed mineral resources.

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Global Geochemical Database for Critical Minerals in Archived Mine Samples

Chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States and from archetypal deposits from 27 other countries. Data are provide in Microsoft Access, Microsoft Excel, and CSV formats.

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Data to accompany U.S. Geological Survey Scientific Investigations Report 2019-5077: Geochemical and mineralogical study of the Red Mountain porphyry copper-molybdenum deposit and vicinity, Santa Cruz County, Arizona

Analyses of core and surface samples collected in and around this mineral deposit. Samples were collected and analyzed between 1980 and 2000. Data are provided in Microsoft Excel and CSV formats.

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Grass Growth in Mining Wastes with Compost and Endophyte Additions

Phytostabilization reduces the mobility of inorganic contaminants by establishing or enhancing plant growth. For small, remote, or abandoned mines, phytostabilization may reduce potential environmental hazards, provided plants can establish and grow. We grew a widespread perennial grass in mining wastes with and without soil and microbial amendments to determine whether we could improve plant establishment and growth. Data are provided in CSV format.

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