Riverview Mine

The Riverview Mine is a gold, silver, and lead mine located in Conejos county, Colorado at an elevation of 8,770 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: Riverview Mine  

State:  Colorado

County:  Conejos

Elevation: 8,770 Feet (2,673 Meters)

Commodity: Gold, Silver, Lead

Lat, Long: 37.37361, -106.31028

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 Riverview Mine

Riverview Mine MRDS details

Site Name

Primary: Riverview Mine
Secondary: El Rico Mine?
Secondary: Unpatented Claims: Riverview
Secondary: Riverview No. 1
Secondary: Riverview No. 2


Commodity

Primary: Gold
Primary: Silver
Primary: Lead


Location

State: Colorado
County: Conejos
District: Cat Creek Area


Land Status

Land ownership: Private
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: Riverview Mining Co.
Home Office: Monte Vista, Co.
Years: 1940 -


Production

Not available


Deposit

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


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: San Juan Volcanic Field

Type: L
Description: Platoro Caldera, Cat Creek Stock, Unnamed Fault


Alterations

Not available


Rocks

Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene

Name: Monzonite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene


Analytical Data

Not available


Materials

Ore: Pyrite
Ore: Galena


Comments

Comment (Location): LOCATION UNCERTAIN. CDM INF. REPT. GIVES LOCATION AS ON ALAMOSA RIVER NEAR TERRACE RESERVOIR. ELEV AND LAT-LONG GIVEN ARE FOR PROSPECT ON NORTH SIDE OF RIVER VALLEY 0.5 MILE ABOVE RESERVOIR. ; INFO FROM LAND.ST :1977

Comment (Deposit): CAT CREEK STOCK LIES 3 MILES EAST OF EASTERN RIM OF PLATORO CALDERA AND IS BELIEVED TO REPRESENT INTRUSIVE CORE OF STRATOVOLCANO THAT ERUPTED GREEN RIDGE VOLCANICS. ERUPTIONS WERE ONE OF SERIES OF IGNEOUS EVENTS THAT FOLLOWED COLLAPSE OF SUMMITVILLE CALDERA (SEE CALDERA EVOLUTION STAGES 7 AND 8 UNDER GEOLOGY COMMENTS). IN CONTRAST TO JASPER, ALAMOSA RIVER, AND SOUTH MTN STOCKS EMPLACED WITHIN CALDERA COMPLEX, CAT CREEK AND CRATER STOCKS WERE EMPLACED OUTSIDE. PRESERVED CORE OF RHYOLITE LAVAS AND BRECCIAS (LOWER GREEN RIDGE VOLCANICS) CUTS THROUGH OLDER PRECALDERA CONEJOS FM FLOWS AND BRECCIAS. ANDESITE-RHYODACITE AND PORPHYRITIC RHYODACITE FLOWS AND BRECCIAS IN UPPER GREEN RIDGE UNITS ARE DISTRIBUTED PRINCIPALLY TO WEST BENEATH SILVER, SHEEP, AND WINDY MOUNTAINS AND BENNETT PEAK JUST INSIDE NE RIM OF PLATORO CALDERA, AND TO NE ON AND NE GREEN RIDGE AND INTERFINGERING WITH ITS OWN DERIVED VOLCANICLASTICS (TERMED LOS PINOS FM). IRREGULARY INTRUDING CORE IS MONZONITE STOCK, ENCLOSED ON

Comment (Deposit): SOUTH AND SE BY PORPHYRITIC PHASE, ON MOST SIDES BY RADIATING RHYODACITE PORPHYRY DIKES, AND BY SEVERAL SATELLITIC MONZONITE AND RHYODACITE PORPHYRY LACCOLITHS. SEQUENCE LAST INTRUDED BY ANDESITE PORPHYRY DIKES. GENERALLY N 40 E-TRENDING FAULT ONE MILE SE OF STOCK DOWNDROPS OLDER TREASURE MTN TUFF QUARTZ LATITE ASH OUTFLOWS ON SE AGAINST PRECALDERA CONEJOS FM. LIPMAN (1974) MAPS HYDROTHERMAL ALTERATION IN SOUTH HALF OF MONZONITE STOCK, EXTENDING THROUGH PORPHYRITIC PHASE, AND SE ACROSS CONEJOS FM, THE FAULT, AND AFFECTING DOWNDROPPED TREASURE MTN TUFF. CDM MINE INFORMATION REPORTS INDICATE PRESENCE OF VEINS CONTAINING AU, AG, AND PB. BASED ON GIVEN LOCATION, OCCURRENCE COULD BE QUARTZ-PYRITE VEIN CUTTING CONEJOS FM FLOWS AND BRECCIAS ALONG NE-SW TREND OF FAULT OR ALONG SOUTH-TRENDING RHYODACITE PORPHYRY RADIAL DIKE.

Comment (Workings): 460-FT CROSSCUT TUNNEL WITH 40-FT WINZE AND DRIFT OF UNKNOWN LENGTH


References

Reference (Deposit): LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.

Reference (Deposit): LIPMAN, P.W., 1975, EVOLUTION OF THE PLATORO CALDERA COMPLEX AND RELATED VOLCANIC ROCKS, SOUTHEASTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 852.

Reference (Deposit): LIPMAN, P.W., AND STEVEN, T.A., 1970, RECONNAISSANCE GEOLOGY AND ECONOMIC SIGNIFICANCE OF THE PLATORO CALDERA, SOUTHEASTERN SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 700-C, P. C19-C29.

Reference (Deposit): COLORADO DIV. MINES INF. REPTS.


Colorado Mining Photos

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