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Bastrop County Geode / Sedimentary Mineral Context
geodes, quartz/calcite and sedimentary minerals · Bastrop
TEXAS ROCKHOUNDING DIRECTORY
All Texas Rockhounding Locations & Mineral Records
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South Texas Coastal Plain Fossil Context
fossils and sedimentary rocks · Bee / Goliad / Victoria
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Bell County Cretaceous Fossil Context
Cretaceous marine fossils · Bell
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Bexar County Cretaceous Fossil Context
Cretaceous marine fossils · Bexar
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Blanco County Granite / Hill Country Mineral Context
granite-related minerals and quartz · Blanco
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Pedernales River Rock/Gravel Mineral Context
river-worn quartz and Hill Country rocks · Blanco / Gillespie
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Brazos River Gravel / Fossil Context
river gravels and fossils · Brazos / Robertson / Burleson
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Alpine / Brewster County Agate Context
agate, chalcedony and jasper · Brewster
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Christmas Mountains Mineral Context
volcanic/mineral occurrences · Brewster
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Glass Mountains Fossil/Geology Context
Permian fossils and carbonate geology · Brewster
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Marathon Basin Fossil/Geology Context
Paleozoic fossils and structural geology · Brewster
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Terlingua Mercury / Cinnabar Mining District
cinnabar, calcite and historic mercury minerals · Brewster
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Woodward Ranch Agate Historic Locality
agate, plume agate and chalcedony · Brewster
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Big Bend Region Rock/Agate Context Outside NPS Units
agate, volcanic rocks and desert minerals · Brewster / Presidio
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Caprock Escarpment Regional Geology Outside State Park
sedimentary rocks, gypsum and regional fossils · Briscoe / Floyd / Crosby
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Whiskey Bridge / Brazos River Fossil Context
Eocene marine fossils · Burleson
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Burnet County Pegmatite & Granite Mineral Context
pegmatite minerals, quartz, feldspar, mica · Burnet
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Comal County Limestone & Fossil Context
Cretaceous limestone fossils · Comal
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Cooke County Fossil Context
Cretaceous marine fossils · Cooke
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Sierra Diablo Mineral Context
regional mineralization and fossils · Culberson
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Van Horn Mineral Context
regional minerals and volcanic/sedimentary rocks · Culberson
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Eagle Ford Formation Fossil Context
Cretaceous marine fossils · Dallas / Tarrant / Ellis / Navarro
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Duval County Uranium District
uranium mineralization and mining history · Duval
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Permian Basin Gypsum/Calcite Mineral Context
gypsum, calcite and evaporite minerals · Ector / Midland / Upton / Ward
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El Paso / Hueco Mountains Regional Geology
limestone, fossils and regional minerals · El Paso
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Rio Grande Gravel / Mineral Context
river gravels and regional minerals · El Paso / Hudspeth / Presidio / Brewster / Val Verde
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North Sulphur River Beyond Ladonia Designated Park
Cretaceous marine fossils · Fannin / Delta / Lamar
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Texas Gulf Beach Geology / Fossil Context
shell, fossil and sedimentary beach material; collection rules are site-specific · Galveston / Brazoria / Matagorda / Nueces / Cameron
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Gillespie County Granite & Mineral Context
granite, quartz and related minerals · Gillespie
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Post Oak Creek / Sherman Shark-Tooth Locality
Cretaceous shark teeth and marine fossils · Grayson
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North Texas Shark-Tooth Regional Context
Cretaceous shark teeth and marine fossils · Grayson / Fannin / Dallas
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Texas Gulf Coastal Plain Petrified-Wood Context
petrified wood and silicified plant material · Harris / Liberty / Montgomery / Polk
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Hays County Edwards Limestone Fossil Context
Cretaceous fossils and limestone · Hays
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Houston County Bentonite / Clay Mineral Context
bentonite and clay minerals · Houston
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Allamoore / Hudspeth Mineral District
talc and industrial/mineral occurrences · Hudspeth
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Quitman Mountains Mineral Context
fluorite and regional mineralization · Hudspeth
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Sierra Blanca / Round Top Mineral Context
rare-earth/mineralized volcanic rocks · Hudspeth
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Jacksboro / Lost Creek Pennsylvanian Fossil Context
Pennsylvanian marine fossils · Jack
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Jasper County Petrified Wood Context
petrified wood · Jasper
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Davis Mountains Mineral/Volcanic Context Outside State Park
volcanic rocks, agate and related minerals · Jeff Davis