Asarco (Omaha) Refinery
Mineral resource occurrence
USGS ResearchNEBRASKA CITY ROCKHOUNDING HUB
Missouri River terraces, eastern limestone and glacial geology.
LOCAL INTERACTIVE MAP
Explore nearby Nebraska records without leaving this hub. Status, coordinate precision and access evidence determine whether a pin is a realistic field destination.

Reference photograph used for rock and mineral identification. It is not from this exact location or a guarantee that collecting is permitted.
This hub uses Omaha as a geographic base, while the material mix is calculated from the records actually mapped around it.
Records are ordered by evidence status first, then distance. Open the detailed guide before treating any pin as a trip destination.
Mineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchAntimony, Gold, Silver
USGS ResearchMineral resource occurrence
USGS Researchquartzite, agate, jasper and mixed glacial/river stones
Core atlasMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Researchstructural geology, Pennsylvanian strata and buried basement
Core atlasMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Researchmagnetic/radiometric anomalies and critical-mineral research context
Core atlasMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Researchgypsum and selenite
Core atlasglacial deposits, loess and Missouri River bluff geology
Core atlasMineral resource occurrence
USGS Research