Sample Type is Metamorphic › Foliated › Schistose › Schist › Ga-bearing Schist
15 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD01VTS0 | Ga-bearing Schist | Slight slaty cleavage. Fine- to medium-grained grey phyllosilicates, garnet porphyroblasts, and trace amounts of muscovite and quartz. | South Dakota | 0 | Ritter 154, 24 D |
| GRD01VUS0 | Ga-bearing Schist | Thin slab of schist composed of very fine-grained green phyllosilicates with altered garnet porphyroblasts. Possibly retrograde (altered). Well-developed slaty cleavage. | 0 | Ritter 154, 24 D | |
| GRD01VVS0 | Ga-bearing Schist | Small sample of medium-grained phyllosilicates with very small garnet (rare) and lenses/sigma clasts of quartz. Well-developed slaty cleavage. | 0 | Ritter 154, 24 C | |
| GRD01W3S0 | Ga-bearing Schist | Multiple small samples of mica-garnet-quartz schist. Fine-grained phyllosilicates (muscovite and biotite?) with garnet porphyroblasts and discontinuous quartz lenses. | 0 | Ritter 154, 24 C | |
| GRD01XHS0 | Ga-bearing Schist | Medium-sized sample of tremolite-plagioclase-muscovite-garnet schist. Well-foliated. See also M-36. | 1 | Ritter 154, 14 G | |
| GRD01XIS0 | Ga-bearing Schist | Small sample of tremolite-quartz-muscovite-garnet schist. Well-foliated. See also M-35. Missing 1/2 thin sections | 2 | Ritter 154, 3 G | |
| GRD01XJS0 | Ga-bearing Schist | Medium-sized sample of biotite-quartz-amphibole-garnet schist. Weakly-foliated. Porphyroblast-rich schist? | 1 | Ritter 154, 14 D | |
| GRD02BYS0 | Ga-bearing Schist | Muscovite-quartz-amphibole-garnet-chlorite-pyrite- Fe-oxide (trace). Porphyroblasts of garnets and quartz. Nice sample. | 0 | Ritter 154, 24 C | |
| GRD02NES0 | Ga-bearing Schist | Dark, foliated sample. Folded. Quartz-pyroxene- phyllosilicates-plagioclase-garnet-opaques. Original description: Metaseds. | California | 1 | Ritter 154, 24 H |
| GRD02PFS0 | Ga-bearing Schist | Oricopia Schist. Garnet-bearing schist cobble. One lense of quartz runs through the middle of the sample. Billets. Original label: Mecca Hills clast. Fall Field trip 1988. | California | 2 | Ritter 154, 14 D |
| GRD02PGS0 | Ga-bearing Schist | Quartz-Muscovite-Garnet-Cordierite Oricopia Schist. Garnet-bearing schist cobble. Patch of calcite on the exterior of the sample. Billets. Original label: Mecca Hills clast. Fall Field trip 1988. | California | 2 | Ritter 154, 14 C |
| GRD02RCS0 | Ga-bearing Schist | Garnet mica schist, well foliated. Muscovite-Quartz-Garnet-Chlorite-Biotite. | 1 | Ritter 154, 3 H | |
| GRD02RES0 | Ga-bearing Schist | Large rotated garnet porphyroblasts, approximately 1cm. Garnet-Biotite-Muscovite-Quartz | 4 | Ritter 154, 3 H | |
| 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 | |
| GRD02VIS0 | Ga-bearing Schist | Garnetiferous Schist, interlayered with migmatitic rocks and metaseds. | California | 0 | Ritter 154, 24 D |