Newlin Gulch Placer

The Newlin Gulch Placer is a gold mine located in Douglas county, Colorado at an elevation of 6,099 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Newlin Gulch Placer  

State:  Colorado

County:  Douglas

Elevation: 6,099 Feet (1,859 Meters)

Commodity: Gold

Lat, Long: 39.48528, -104.83417

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Newlin Gulch Placer

Newlin Gulch Placer MRDS details

Site Name

Primary: Newlin Gulch Placer


Commodity

Primary: Gold


Location

State: Colorado
County: Douglas
District: Castle Rock Area


Land Status

Land ownership: State
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Earl Mclain
Years: 1939 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Placer
Operation Type: Unknown
Discovery Year: 1895
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Interior Plains
Physiographic Province: Great Plains Province
Physiographic Section: Colorado Piedmont


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: Denver Basin

Type: L
Description: Denver Basin


Alterations

Alteration Type: L
Alteration Text: Denver Basin


Rocks

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene


Analytical Data

Analytical Data: GOLD SIZE 8.6 TO 44 COLORS/MG
Analytical Data: 0.2 TO 13.5 CENTS/YD


Materials

Ore: Gold


Comments

Comment (Location): NEWLIN GULCH STREAM BED. LAT-LONG IS C E/2 ; INFO FROM LAND.ST :(1974)

Comment (Development): LAST REPORTED ACTIVITY WAS SIX TEST HOLES ACROSS GULCH, PROBABLY 1939.

Comment (Deposit): AU CONCENTRATIONS SMALL, LOCAL, AND CONFINED TO BENCH GRAVELS, PROBABLE SOURCE OF AU IS CASTLE ROCK CONGLOMERATE (LOWER OLIGOCENE)

Comment (Workings): PROFITABLE OPERATIONS PROHIBITED BY EXTREME FINENESS OF AU SPOTTY OCCURRENCE, LACK OF WATER, OLDER WORKINGS WERE DRIFTS DRIVEN INTO BENCH GRAVELS.


References

Reference (Deposit): PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL MINES QUART, V. 69, NO. 3, P. 45-57.

Reference (Deposit): TRIMBLE, D.E., AND FITCH, M.N., 1979, GEOLOGIC MAP OF THE GREATER DENVER AREA, FRONT RANGE URBAN CORRIDOR: USGS MAP 1-856-H.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.