| GRD02SRS0 |
Oolitic Limestone
|
Layered Oolitic Limestone |
|
0 |
Ritter 154, 18 B |
| GRD02SSS0 |
Surficial Ore Deposits
|
Gossan, Iron ore deposit. |
California |
0 |
Ritter 154, 14 Q |
| GRD02STS0 |
Grainstone
|
Lower Cadiz Shale Member of Cararra formation. Mid Cambrian. |
California |
1 |
Ritter 154, 22 I |
| GRD02SUS0 |
Limestone
|
Birds eye Limestone |
|
0 |
Ritter 154, 18 D |
| GRD02SUS1 |
Limestone
|
Birds eye Limestone |
|
0 |
Ritter 154, 21 M |
| GRD02SUS2 |
Limestone
|
Birds eye Limestone |
|
0 |
Ritter 154, 21 M |
| GRD02SVS0 |
Limestone
|
Deseret Formation. Upper Mississippian |
Utah |
2 |
Camp Elliott |
| GRD02SWS0 |
Authigenic Minerals
|
Lower Stanley Formation |
Arkansas |
0 |
Ritter 154, 14 Q |
| GRD02SXS0 |
Gypsum
|
Castile Fm. |
New Mexico |
0 |
Ritter 154, 17 M |
| GRD02SYS0 |
Replacement Features
|
Black Ven Formation. Very odd sample. Interpretation: ammonites and excavated sediment from burrows, or excrement, that have been pyritized to variable degrees and cemented with carbonate |
United Kingdom |
0 |
Ritter 154, 23 K |
| GRD02SZS0 |
Gabbro
|
Coarse plagioclase and Hornblende, bands of coarse, medium, fine grain sizes. |
California |
0 |
Ritter 154, 16 D |
| GRD02T0S0 |
Norite
|
Los Pinos Pluton. Coarse plagioclase, pyroxene (opx and cpx) and olivine altered to iddingsite. |
California |
0 |
Ritter 154, 16 E |
| GRD02T0S1 |
Norite
|
Los Pinos Pluton. Coarse plagioclase, pyroxene (opx and cpx) and olivine altered to iddingsite. |
California |
0 |
Ritter 154, 16 R |
| GRD02T1S0 |
Gabbronorite
|
Los Pinos Pluton. Coarse (>1cm) plagioclase, pyroxene and olivine. Olivine has altered to iddingsite. Coarse section intruded by fine sub-mm scale crystals. Need thin section. |
California |
0 |
Ritter 154, 16 E |
| GRD02T2S0 |
Serpentinite
|
Anastomosing texture with serpentine weathering white on exterior. Appears to have bronzite within red patches. Trinity Ophiolite-Eunice Bluff Float |
California |
0 |
Ritter 154, 14 M |
| GRD02T3S0 |
Gabbro
|
Trinity ophiolite. Need thin section, appears to be plagioclase with pyroxene replaced by hornblende. Float. |
California |
0 |
Ritter 154, 16 D |
| GRD02T4S0 |
Foid-Bearing Extrusive
|
Anorthoclase Phonolite. Anorthoclase phenocrysts, Cpx, Olivine(?). Ejecta from 1972-1992 eruption. |
Antarctica |
0 |
Ritter 154, 15 I |
| GRD02T5S0 |
Gabbro
|
Ulvo Gabbro. Plag, Cpx, Olivine, Fe-Ti Oxides(Magnetite, Ulvospinel, Ilmenite). Well developed lineation. Likely from RZb(Rythmically Layered Zone b) portion of complex. |
Sweden |
0 |
Ritter 154, 16 D |
| GRD02T6S0 |
Gabbro
|
Ulvo Gabbro. Plag, Cpx, Olivine, Fe-Ti Oxides(Magnetite, Ulvospinel, Ilmenite). High weight percentage of Oxides. Likely from UZ(Upper Zone) of complex. |
Sweden |
0 |
Ritter 154, 16 R |
| GRD02T7S0 |
Augen Gneiss
|
Meta-gneiss containing large K-spars(2-3 cm) intermingled with quartz and biotite. Moderately developed foliation |
Brazil |
0 |
Ritter 154, 14 B |
| GRD02T8S0 |
Calcsilicate (Skarn)
|
Garnet-Calcite-Epidote-Quartz |
|
0 |
Ritter 154, 14 K |
| GRD02T9S0 |
Obsidian
|
Obsidian |
California |
0 |
Ritter 154, 15 M |
| GRD02TAS0 |
Porphyroblasts
|
Staurolite-Garnet Schist. Large Staurolite porphyroblasts(1-2 cm) with garnets(~1 mm), micaceous. Unknown origin. |
|
0 |
Ritter 154, 14 O |
| GRD02TBS0 |
Ga-bearing Schist
|
Garnet Amphibolite with Staurolite. Micaceous schist with small (<1mm) garnet porphyroblasts and (~4-7mm) staurolite porphyroblasts. |
|
0 |
Ritter 154, 14 C |
| GRD02TCS0 |
And-bearing Schist
|
Andalusite-Sericite Schist |
Canada |
0 |
Ritter 154, 14 C |
| GRD02TDS0 |
Hydrothermal Ore Deposits
|
Gold ore. Vein/vug filling quartz with oxides, disseminated gold. |
South Africa |
0 |
Ritter 154, 14 Q |
| GRD02TES0 |
Quartz Sandstone
|
Purple oxide stained laminated sandstone |
South Dakota |
0 |
Ritter 154, 17 P |
| GRD02TFS0 |
Dacite
|
Zoned Plagioclase phenocrysts. Avalanche deposit, devastated area. Collected 9/20/99 |
California |
1 |
Ritter 154, 29 D |
| GRD02TGS0 |
Mylonite
|
Traverse of shear zone(samples 1284-1290), between 3400 and South Fork |
California |
1 |
Ritter 154, 29 A |
| GRD02THS0 |
Intermediate Extrusive
|
Sonora Pass lavas, GPS locations 8/15/00 |
California |
1 |
Ritter 154, 29 C |
