RockWoof
Check access before you go. Most sites listed here are old mines, quarries or prospects, and many are on private land or active mining claims. Get the landowner's permission, check the rules of the agency that manages any public land, and never enter mine workings. Locations are approximate.

Sketch map

Star Plant + 1 more nearby (Producer)Harrison Pit & Plant (Producer)Jourdanton Sulfur (Producer)Espey Silica Sand Co A1 Pit and Plt (Producer)Witherspoon Ranch Pit (Past Producer)Conoco Hurt Pit (Producer)Thane Prospect (Occurrence)Shaefer Prospect (Occurrence)Lone Star Sulfur Plant + 1 more nearby (Producer)
Past ProducerProducerProspectOccurrenceStatus unknown
9 paw pins; nearby sites are grouped into one pin. Hover or tap a pin for the site name. 1 site(s) with USGS coordinates outside the outline are not pinned. County outline: US Census Bureau cartographic boundary file (2023). Locations approximate.

Field cards: what kind of sites?

8
Producer

Was producing when the record was made.

2
Past Producer

Produced ore or material at some point in the past.

2
Occurrence

The mineral was noted here, without development.

Status terms come from USGS MRDS records.

Minerals recorded here

Bentonite 1

Commodities

Sulfur 4Silica 4Uranium 2Bentonite 1

Sites

SiteCommodityMinerals recordedStatusApprox. location
Witherspoon Ranch PitBentoniteBentonitePast Producer28.750, -98.384
Pfeil MineUranium—Past Producer28.816, -98.123
Shaefer Prospect——Occurrence28.825, -98.164
Thane Prospect——Occurrence28.845, -98.165
Lone Star Sulfur PlantSulfur—Producer28.792, -98.133
Fashing Sulfur PlantSulfur—Producer28.793, -98.132
Conoco Hurt PitUranium, Sulfur—Producer28.767, -98.196
Star PlantSilica—Producer29.168, -98.585
Star Pit & PlantSilica—Producer29.168, -98.585
Harrison Pit & PlantSilica—Producer29.148, -98.593
Espey Silica Sand Co A1 Pit and PltSilica—Producer29.124, -98.491
Jourdanton SulfurSulfur—Producer28.882, -98.582

Fossil collections

The Paleobiology Database lists 4 fossil collection records in Atascosa County. These are research records, not public dig sites.

Nearby counties

Karnes County · Bee County · Live Oak County · McMullen County · Bexar County

Texas mineral guides

Back to all Texas counties.

Related articles

How we built this page: we counted named sites in the USGS Mineral Resources Data System (MRDS) for this area, left out sand, gravel, crushed stone, clay pits and unnamed sites, grouped them by Census county, and linked every site to its USGS record. We did not visit these sites, and MRDS does not tell you who owns the land or whether collecting is allowed.

Source: USGS Mineral Resources Data System (MRDS). USGS ceased systematic updates to MRDS around 2011, so status and details may be out of date. Each site links to its USGS record.

Updated