Texas Hill Country Geode Context
geodes and quartz/calcite
Core atlasTEXAS CITY ROCKHOUNDING HUB
Topaz country in private Mason ranches and the Llano Uplift.
LOCAL INTERACTIVE MAP
Explore nearby Texas 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 Mason 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.
geodes and quartz/calcite
Core atlasTungsten
USGS ResearchMineral resource occurrence
USGS ResearchMolybdenum, Gold
USGS Researchriver-worn quartz and Hill Country rocks
Core atlasUranium
USGS ResearchUranium
USGS Researchlimestone fossils and river gravels
Core atlasCretaceous limestone fossils
Core atlasCopper
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchBarite
USGS ResearchCopper
USGS ResearchMineral resource occurrence
USGS ResearchBarite
USGS ResearchCopper
USGS ResearchMineral resource occurrence
USGS ResearchCretaceous fossils and limestone
Core atlasCopper
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS ResearchMineral resource occurrence
USGS Research