Unidentified Tuff Quarry

Past Producer in Puerto Rico, United States with commodity Stone, Crushed/Broken

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Commodities
Host and associated rocks
Nearby scientific data
Economic information about the deposit and operations
Links to other databases
Bibliographic references
General comments
Reporter information

Geologic information

Identification information

Deposit ID	10056785
MRDS ID	TC00937
Record type	Site
Current site name	Unidentified Tuff Quarry

Geographic coordinates

Geographic coordinates:	-66.48225, 18.21344 (WGS84)
Location accuracy	100(meters)

Site location context

Political divisions (FIPS codes)

Orocovis(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Orocovis(quadrangle 1:24,000 scale)

Puerto Rico C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Puerto Rico(hydrologic accounting unit)

Puerto Rico(hydrologic subregion)

Caribbean(hydrologic region)

Geographic areas

Country	State
United States	Puerto Rico

Comments on the location information

WEST SIDE OF VALLEY DOWNSTREAM FROM THE DAM AT LAGO DE MATRULLA.

Commodities

Commodity	Importance
Stone, Crushed/Broken	Primary

Comments on the commodity information

SOME MATERIAL FROM THIS QUARRY USED IN THE LAGO DE MATRULLA DAM; ENGINEER PROPERTIES SUGGEST MATERIAL IS GOOD FOR AGGREGATE AND RIPRAP AND FAIR FOR FILL.

Host and associated rocks

Host or associated

Host

Rock type

Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Stratigraphic age (youngest)	Late Cretaceous
Stratigraphic age (youngest)	Late Cretaceous

Host or associated	Host
Rock type	Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
Rock unit name	Malo Breccia
Rock description	Malo Breccia

Nearby scientific data

(1)	-66.48225, 18.21344	ListMap

Economic information

Economic information about the deposit and operations

Development status	Past Producer
Commodity type	Non-metallic
Significant	No

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	TC00937

Bibliographic references

Deposit

BRIGGS, R.P., 1971, GEOLOGIC MAP OF THE OROCOVIS QUADRANGLE, PUERTO RICO: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS MAP I-615, 1 SHEET, SCALE 1:20,000
Other Database

CIMRI

General comments

Subject category	Comment text
Deposit	INTERLAYERED WITH PYROCLASTIC TUFF AND HYALOCLASTIC TUFF.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-NOV-91	Carbonaro, Marguerite M. (Bliss, James D.)	U.S. Geological Survey

Beyond USGS

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