Hockley Dome Mine

Producer in Harris county in Texas, United States with commodities Halite, Gypsum-Anhydrite, Limestone, Ultra Pure, Sulfur, Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10107055
MRDS ID TC34030
Record type Site
Current site name Hockley Dome Mine

Geographic coordinates

Geographic coordinates: -95.83969, 29.95024 (WGS84)
Elevation 50
Relative position 4 MI S OF HOCKLEY

Site location context

Political divisions (FIPS codes)

Harris(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Warren Lake(quadrangle 1:24,000 scale)

Houston(quadrangle 1:100,000 scale)

Houston(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Spring(hydrologic unit)

San Jacinto(hydrologic accounting unit)

Galveston Bay-San Jacinto(hydrologic subregion)

Texas-Gulf(hydrologic region)

Geographic areas

Country State County
United States Texas Harris

Comments on the location information

  • THOMAS COGHILL SURVEY

Commodities

Commodity Importance
Halite Primary
Gypsum-Anhydrite Primary
Limestone, Ultra Pure Tertiary
Sulfur Tertiary
Copper Tertiary

Materials information

Materials Type of material
Anhydrite Ore
Gypsum Ore
Halite Ore
Barite Gangue
Pyrite Gangue
Strontianite Gangue

Alteration

  • (Local) Biogenic Alteration Of Anhydrock To Limestone

Analytical data

Result GYPSUM ORE MINED GENERALLY EXCEEDED 95% GYPSUM

Mineral occurrence model information

Model code 255
USGS model code 35a.7 (35ag)
Deposit model name Salt-dome sulfur

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Middle Jurassic
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Salt
    Rock unit name Louann
    Rock description Louann

Nearby scientific data

(1) -95.83969, 29.95024

Economic information

Geologic structures

Type of structure Local
Structure description Piercement Salt Dome

Ore body information

  • Depth to top 23.16M

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No
Discovery year 1906
Discoverer Patillo Higgins
Year of first production 1932

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner United Salt Corp (Salt), Hockley Gypsum Co. (Gypsum)
  • Type Owner
    Owner John Warren Estate

Workings at the site

  • Type of workings Underground
    Overall depth 464.82M

Comments on the workings information

  • ROOM AND PILLAR MINING OF SALT. GYPSUM MINED AT 200 FT LEVEL THROUGH A 234 FT SHAFT.

Comments on development

  • DOME DISCOVERED 1906 USING SURFACE GEOLOGY. SULFUR FOUND IN OIL TEST 1907. TIDEWATER GYPSUM CO. DRILLED 9 EXPLORATION WELLS AND SUNK SHAFT 1928, LATER DEEPENED (1944) BY HOCKLEY GYPSUM CO. WHICH DRILLED 15 MORE WELLS FOR GYPSUM. ; MILL.CAP: 100,000 TPY SALT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPTH TO CAPROCK 76 FT, SALT 1010 FT. SALT VOLUME 5.9 CU MI TO 10,560 FT DEPTH
Deposit First Production Year: 1932 (SALT); 1944 (GYPSUM)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1992 Long, Keith R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.