The proportion of open space in a rock or unconsolidated material.
This category is also used for interstices and soil porosity.
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Characterization of Geologic Structures and Host Rock Properties Relevant to the Hydrogeology of the Standard Mine in Elk Basin, Gunnison County, Colorado

Geological and borehole geophysical data and observations collected to characterize the basin and its surface and groundwater flow systems with primary focus on the physical characteristics of the fault vein, related mine workings, and surrounding bedrock

Physical properties by geologic unit in the southern San Luis basin, New Mexico

Rock density and magnetic susceptibility measurements of samples drawn from this area. Data are provided in CSV format.