GRD002US0 |
Sedimentary Ore Deposits
|
Hematite, magnetite, and a small amount of quartz and muscovite. Sulfide minerals. Nice sample. |
New York |
0 |
Ritter 154, 14 Q |
GRD020SS0 |
Sedimentary Ore Deposits
|
Non-foliated. Moderately granoblastic. Medium- to coarse-grained. Fe-oxide (magnetite), quartz, feldspar, garnet (almandine). Original description: Gneissic, meta-limestone (Fe-SS), granulite facies; Qtz-bio-almandine-magnetite. |
New York |
0 |
Ritter 154, 14 Q |
GRD021KS0 |
Sedimentary Ore Deposits
|
Irregular banding. Amphibole (dark greenish?), calcite/carbonate, greenish epidote (?)/idocrase, quartz/plagioclase; Fe-hydroxide stains. Vulcan mine - contact metamorphic deposit of magnetite and hematite in Paleozoic carbonates associated with Mesozoic intrusion. |
California |
0 |
Ritter 154, 24 A |
GRD02AQS0 |
Sedimentary Ore Deposits
|
Magnetite and hematite (minor) with irregular veinlets and interstices of dolomite and quartz (trace). Contact metamorphic deposit of magnetite and hematite in Paleozoic carbonates associated with Mesozoic intrusion. |
California |
0 |
Ritter 154, 14 Q |
GRD02ARS0 |
Sedimentary Ore Deposits
|
Magnetite and hematite (minor) with very small irregular veinlets and interstices of dolomite- quartz (trace). Some pyrite. Contact metamorphic deposit of magnetite and hematite in Paleozoic carbonates associated with Mesozoic intrusion. |
California |
0 |
Ritter 154, 14 Q |
GRD02ASS0 |
Sedimentary Ore Deposits
|
Magnetite with interstital dolomite as well as a large, coarse-grained dolomite vein. Minor amount of pyrite. |
California |
0 |
Ritter 154, 14 Q |
GRD02ATS0 |
Magmatic Ore Deposits
|
Large potassium feldspar crystals with interstital magnetite and quartz. |
|
0 |
Ritter 154, 14 Q |
GRD02AUS0 |
Metamorphic Ore Deposits
|
Magnetite-potassium feldspar-biotite-quartz gneiss. 60% magnetite, 30% K-spar, 5% quartz, 5% biotite. |
New York |
0 |
Ritter 154, 14 Q |
GRD02AVS0 |
Metamorphic Ore Deposits
|
Magnetite-garnet-quartz gniess |
New York |
0 |
Ritter 154, 14 Q |
GRD02AWS0 |
Metamorphic Ore Deposits
|
Potassium feldspar-magnetite-quartz-pyrite (trace) gneiss. Hypidiomorphic granular texture. |
New York |
1 |
Ritter 154, 14 Q |
GRD02BMS0 |
Sedimentary Ore Deposits
|
Fe-Mn mineralization in Devonian dolomite. |
New Mexico |
0 |
Ritter 154, 24 K |
GRD02BMS1 |
Sedimentary Ore Deposits
|
Fe-Mn mineralization in Devonian dolomite. |
New Mexico |
0 |
Ritter 154, 14 Q |
GRD02BMS2 |
Sedimentary Ore Deposits
|
Fe-Mn mineralization in Devonian dolomite. |
New Mexico |
0 |
Ritter 154, 14 R |
GRD02BMS3 |
Sedimentary Ore Deposits
|
Fe-Mn mineralization in Devonian dolomite. |
New Mexico |
0 |
Ritter 154, 24 K |
GRD02SAS0 |
Ore Deposits
|
|
Missouri |
0 |
Ritter 154, 14 Q |
GRD02SBS0 |
Ore Deposits
|
|
Sybille Pit in Laramie North Complex |
0 |
Ritter 154, 14 Q |
GRD02SJS0 |
Ore Deposits
|
|
Sybille Pit in Laramie North Complex |
0 |
Ritter 154, 14 Q |
GRD02SMS0 |
Sedimentary Ore Deposits
|
|
New York |
0 |
Ritter 154, 17 O |
GRD02SSS0 |
Surficial Ore Deposits
|
Gossan, Iron ore deposit. |
California |
0 |
Ritter 154, 14 Q |
GRD02TDS0 |
Hydrothermal Ore Deposits
|
Gold ore. Vein/vug filling quartz with oxides, disseminated gold. |
South Africa |
0 |
Ritter 154, 14 Q |
GRD02XBS0 |
Sedimentary Ore Deposits
|
Gold bearing conglomerate |
South Africa |
0 |
Ritter 154, 14 R |
GRD02XLS0 |
Hydrothermal Ore Deposits
|
Gold ore. Gold-bearing quartz vein |
California |
0 |
Ritter 154, 14 Q |
GRD02XNS0 |
Surficial Ore Deposits
|
Weathered/altered Iron oxide ore |
Unknown |
0 |
Ritter 154, 14 Q |
GRD03Z1S0 |
Hydrothermal Ore Deposits
|
Bore Hole #9. Blew out in 1965, always under water. Plagioclase and quartz bearing hydrothermally altered sample. Not ore. |
New Zealand |
1 |
Ritter 154, 14 O |
GRD03ZBS0 |
Metamorphic Ore Deposits
|
Balmat mine - LV 1012. Rich lead and zinc ore. Calcite, sphalerite, galena, chalcopyrie, minor smithsonite |
Illinois |
0 |
Ritter 154, 14 Q |
GRD047MS0 |
Ore Deposits
|
|
Philippines |
0 |
Camp Elliott |
GRD04AES0 |
Ore Deposits
|
Altered basalt. |
Philippines |
0 |
Camp Elliott |