Alamo Portland Cement quarries, San Antonio, Bexar County, Texas, USAi
| Regional Level Types | |
|---|---|
| Alamo Portland Cement quarries | Group of Quarries |
| San Antonio | City |
| Bexar County | County |
| Texas | State |
| USA | Country |
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Latitude & Longitude (WGS84):
29° 27' 50'' North , 98° 28' 36'' West
Latitude & Longitude (decimal):
Type:
Group of Quarries
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Olmos Park | 2,390 (2017) | 1.9km |
| Alamo Heights | 8,038 (2017) | 2.6km |
| Terrell Hills | 5,287 (2017) | 2.8km |
| San Antonio | 1,469,845 (2017) | 4.7km |
| Castle Hills | 4,424 (2017) | 7.6km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Geological Society of San Antonio | San Antonio, Texas | 5km |
| South Texas Geological Society | San Antonio, Texas | 5km |
| Southwest Gem and Mineral Society | San Antonio, Texas | 5km |
3 mi. W. Brackenridge Park, San Antonio (probably inaccurate)
Good exposures of the chalk (Austin Chalk) are also to be
seen in the quarries belonging to the city and
the Alamo Portland Cement Co. west of
Brackenridge Park, about 3 miles north by
east of the courthouse at San Antonio. The
elevated position of the chalk relative to the
country on the downside of the fault
in this vicinity is favorable for quarrying, and
a number of quarries have been opened in
which 30 to 40 feet of chalk is exposed. The
strata are from 3 to 10 feet thick, and carry in
places many· nodules of pyrite from one-half
inch to 2 inches in diameter. In fresh openings
the rock is light blue, but this color gradually
changes to white when exposed. ·
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Gulf of Mexico BasinBasin
- Kerr BasinBasin
- Llano ProvinceShield
- Shawnee DomainDomain
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Alamo Portland Cement quarries, San Antonio, Bexar County, Texas, USA