Sample Type is Metamorphic › Foliated › Schistose › Schist
119 records | DownloadIGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
---|---|---|---|---|---|
GRD01V2S0 | Schist | Large sample of coarse-grained schist composed of biotite-muscovite-plagioclase-potassium feldspar-quartz. Foliated with little to no banding. Alpine schist? Original label: Zone 7. | New Zealand | 0 | Ritter 154, 14 C |
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 | |
GRD01VWS0 | St-bearing Schist | Very small sample of a medium- to coarse-grained schist composed of muscovite-garnet-staurolite. Gem-like crystals. | 0 | Ritter 154, 24 C | |
GRD01VYS0 | St-bearing Schist | Medium-sized sample of a schist composed mainly fine-frained phyllosilicates (chlorite, biotite, muscovite trace) with garnet and staurolite porphyroblasts. Nice lineations. | 0 | Ritter 154, 14 C | |
GRD01VZS0 | St-bearing Schist | Small sample of schist composed mostly of muscovite and staurolite. Small s fold in cross-section. | 0 | Ritter 154, 24 C | |
GRD01W0S0 | Schist | Medium-grained phyllosilicates (mostly phlogopite) with a small amount of quartz. Well-developed foliation. Original description: graphitic schist. | New York | 0 | Ritter 154, 14 C |
GRD01W1S0 | St-bearing Schist | Medium-sized sample of schist composed of fine-grained phyllosilicates with garnet and a few staurolite porphyroblasts. See also M-167 for a similar sample. Original description: Staurolite-garnet schist of the staurolite zone of the Flag Rock formation. | South Dakota | 0 | Ritter 154, 14 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 | |
GRD01W5S0 | Ky-bearing Schist | Medium sample of kyanite-muscovite-quartz-chlorite schist. Very nice sample. See also M-43 and M-209. | 1 | Ritter 154, 3 G | |
GRD01W6S0 | Talc Schist | Medium-sized sample of talc-dolomite- tremolite schist. Pale-green talc (sheared) with a thick band of dolomite (icelandic spar). Minor amount of dark green tremolite in the talc. | 1 | Ritter 154, 14 G | |
GRD01W8S0 | Schist | Tremolite-quartz-pyrite schist. Radiating crystals. | Alpine | 1 | Ritter 154, 14 G |
GRD01WBS0 | Schist | Well-foliated phlogopite schist. Medium- to coarse-grained. Trace amounts of quartz and pyrite. Very nice sample. | New York | 0 | Ritter 154, 14 D |
GRD01WCS0 | Schist | Sample of chlorite-magnetite schist. Porphyroblasts of magnetite crystals. Good foliation. Sample is all scratched up. Original description: prochlorite enclosing magnetite. | Maryland | 0 | Ritter 154, 14 C |
GRD01WES0 | Schist | Multiple small samples of specularite schist. Well-foliated and fine-grained. | 0 | Camp Elliott | |
GRD01WFS0 | Schist | Coarse-grained, purple tremolite schist. Original description: Hexagonite tremolite schist. | New York | 1 | Ritter 154, 3 G |
GRD01WGS0 | Schist | Quartz-sericite schist. Quartz-sericite-flecks of magnetite. From the Chickies Quartzite. | Pennsylvania | 1 | Ritter 154, 24 D |
GRD01WHS0 | Schist | Small sample of specular schist | 0 | Camp Elliott | |
GRD01WIS0 | Sil-bearing Schist | Large sample of biotite-muscovite-quartz-sillimanite(?)schist. Slighty gneissic with generally medium- to coarse-grained texture. | Ontario | 1 | Ritter 154, 24 C |
GRD01WJS0 | Schist | Small sample of biotite-quartz schist. Weakly-developed foliation. Generally fine-grained. Original description: mudstone protolith; pelite enclosing M-86. | 1 | Camp Elliott | |
GRD01WKS0 | Schist | Small sample of biotite- quartz- potassium feldspar schist. Weakly-developed foliation. Generally fine-grained. Original description: pelitic schist wall rock of I-6. | 1 | Camp Elliott | |
GRD01WLS0 | Schist | Biotite-plagioclase-muscovite (trace) schist. Angular, unoriented plagioclase. Fine- to medium-grained. Moderately foliated. Original description: metapelite with little quartz. | California | 1 | Ritter 154, 24 D |
GRD01WMS0 | Schist | Biotite-quartz-pyrite (trace) schist. Quartz bands/augen. Generally fine- to medium-grained and well-foliated. Original description: fine-grained gneiss. | California | 0 | Camp Elliott |
GRD01WNS0 | St-bearing Schist | Medium-sized sample of muscovite-garnet-staurolite-quartz schist. Fine-grained phyllosilicates with garnet and staurolite porphyroblasts. Well-developed foliation. | Alps | 0 | Ritter 154, 14 D |
GRD01WOS0 | St-bearing Schist | Fine-grained green-silver phyllosilicates with small staurolite crystals. Small folds/crenulations in cross-sections. Nice foliation. | Alps | 0 | Ritter 154, 14 D |
GRD01WPS0 | Schist | Small sample of muscovite-glaucophane (?)-quartz (trace) schist. Original description: quartz-muscovite-chlorite-biotite-albite schist. | California | 0 | Camp Elliott |
GRD01WQS0 | Schist | Large sample of biotite-muscovite-quartz-pyrite (trace) schist. Some discontinuous quartz bands (slightly gneissic). Well-foliated and medium-grained. Original description: biotite-muscovite-quartz gneiss. | New Zealand | 0 | Ritter 154, 14 D |
GRD01WRS0 | Schist | Small sample of biotite-muscovite schist. Fine-grained and well-foliated. | 0 | Camp Elliott | |
GRD01WTS0 | Talc Schist | Small sample of talc schist. Poorly developed foliation. Soapy feel. | 0 | Ritter 154, 24 C |