PEND OREILLE & GRANDVIEW MINES
near Metaline Falls, Pend Oreille County, Washington, USA

LOCALITY IMAGES


GEOLOGY
Metaline Formation - Cambro-Ordivician (~500 Ma [millions of years ago]). The Metaline Formation is predominately a carbonate unit approximately 1800 meters thick extending from Washington state to British Columbia, Canada. The geology of the Pend Oreille Mine consists of a carbonate (dolomite) hosted Pb-Zn (lead-zinc) deposit.

MINERALS
*Barite-
BaSO4
*Calcite-
CaCO3
*Galena-
PbS
*Palygorskite-
(Mg,Al)2Si4O10(OH) . 4(H2O)
*Pyrite-
FeS2
*Pyrobitumen-
hydrocarbon mineraloid
*Pyromorphite-
Pb5(PO4)3Cl
*Quartz-
SiO2
Smithsonite-
ZnCO3
*Sphalerite-
ZnS

* photographed
 
BARITE
on CALCITE
Pend Oreille Mine

 
BARITE
on PALYGORSKITE
Pend Oreille Mine
 
CALCITE
with PALYGORSKITE
inclusion
Pend Oreille Mine
 
CALCITE
on PALYGORSKITE
Pend Oreille Mine
 
CALCITE
with PALYGORSKITE
and minor
PYRITE
Pend Oreille Mine

 
GALENA
on CALCITE
Pend Oreille Mine

 
PALYGORSKITE
Pend Oreille Mine

 
Filiform PYRITE
Pend Oreille Mine
 
PYROBITUMEN
(hydrocarbon mineraloid)
Pend Oreille Mine
 
QUARTZ
with inclusion
Pend Oreille Mine
 
PYROMORPHITE
Grandview Mine
 
SPHALERITE
Pend Oreille Mine