Glyndon

Occurrence in Baltimore county in Maryland, United States with commodities Platinum, Chromium, Iron

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Commodities
Materials information
Mineral occurrence model information
Host and associated rocks
Nearby scientific data
Ore body information
Controls for ore emplacement
Economic information about the deposit and operations
Mining district
Land status
Links to other databases
Bibliographic references
Reporter information

Geologic information

Identification information

Deposit ID	10038138
MRDS ID	M045424
Record type	Site
Current site name	Glyndon

Geographic coordinates

Geographic coordinates:	-76.81745, 39.47585 (WGS84)
Elevation	183
Location accuracy	1000(meters)
Relative position	PROBABLY 15 MI NORTHWEST OF BALTIMORE, Estimated At Town Of Glyndon

Site location context

Political divisions (FIPS codes)

Baltimore(county)

Maryland(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Reisterstown(quadrangle 1:24,000 scale)

Baltimore(quadrangle 1:100,000 scale)

Baltimore(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Gunpowder-Patapsco(hydrologic unit)

Upper Chesapeake(hydrologic accounting unit)

Upper Chesapeake(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country	State	County
United States	Maryland	Baltimore

Comments on the location information

UNSURVEYED. LOCATION GIVEN IS TOWN OF GLYDON, ESTIMATED FROM 1 BY 2 DEGREE TOPO MAP

Commodities

Commodity	Importance
Platinum Critical	Primary
Chromium Critical	Primary
Iron	Primary

Comments on the commodity information

TRACES OF GARNET, HEMATITE, AND LIMONITE

Materials information

Materials	Type of material
Chromite	Ore
Magnetite	Ore

Analytical data

Result	PT = 0.0063 OZ/TON (220 PPB). $.19/TON NOT CONCENTRATED

Mineral occurrence model information

Model code	119
USGS model code	39a
Deposit model name	Placer Au-PGE
Mark3 model number	54

Host and associated rocks

Host or associated Host

Rock type Unconsolidated Deposit > Gravel

Stratigraphic age (youngest) Holocene

Nearby scientific data

(1)	-76.81745, 39.47585	ListMap

Economic information

Ore body information

General form STREAM SEDIMENT DEPOSITS

General form	STREAM SEDIMENT DEPOSITS

Controls for ore emplacement

Stream Hydraulics

Comments on the geologic information

THE BALTIMORE MAFIC COMPLEX IS AN APPROPRIATE HOST ROCK FOR PGE; HOWEVER, PGE HAVE NOT BEEN REPORTED FROM THERE AND THE DRAINAGE IN THE AREA IS TOWARD THE COMPLEX RATHER THAN AWAY FROM IT, AS WOULD BE NECESSARY FOR PGE TO BE FOUND IN STREAMS NEAR GLYDON

Economic information about the deposit and operations

Development status	Occurrence
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Baltimore Area

Land status

Ownership category	Private

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	M045424

Bibliographic references

Deposit

DAY, D.T., AND RICHARDS, R.H., 1906, USEFUL MINERALS IN THE BLACK SANDS OF THE PACIFIC SLOPE: U.S. GEOLOGICAL SURVEY MINERAL RESOURCES UNITED STATES, CALENDAR YEAR 1905, P. 1202-1203.
Deposit

LINDGREN, WALDEMAR, 1911, PLATINUM AND ALLIED METALS: U.S. GEOLOGICAL SURVEY MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1909, PT. 1, P. 997.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-FEB-75	Blair, Will N.	U.S. Geological Survey
Updater	01-JAN-90	Peterson, Jocelyn A.	U.S. Geological Survey

Beyond USGS

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