Sample Type is Metamorphic › Foliated › Schistose › Slate
12 records | DownloadIGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
---|---|---|---|---|---|
GRD00VUS0 | Slate | Red slate, Nettawee Slate, Cambrian. No hand sample; Thin section in thin section only case in RH 154. | New York | 1 | Ritter 154 |
GRD01VES0 | Slate | Fine grained purple slate with leach spots. Poorly developed slaty cleavage. Original description: Argillite, Crystal Spring formation. | California | 0 | Ritter 154, 14 F |
GRD01VFS0 | Slate | Multiple pieces of purple slate with green mottling. Very small pyrite and garnet crystals which are visible with hand lense. Perfect slaty cleavage. | 0 | Ritter 154, 14 F | |
GRD01VGS0 | Slate | Dark grey-brown with black leaf/reed imprints. Slaty cleavage. Fine-grained. | 0 | Ritter 154, 14 F | |
GRD01VHS0 | Slate | Dark grey slate with black, round crystals (amphibole? Chloritoid? Fe-minerals?). Slaty cleavage. | Fremont Isle | 0 | Ritter 154, 14 F |
GRD01VMS0 | Slate | Green, fine-grained, earthy luster. Original description: phyllite, meta-sandstone or siltstone, muscovite, chlorite? | 0 | Ritter 154, 14 F | |
GRD01VOS0 | Slate | Purple with reddish/orange veins (Fe-staining?). Earthy luster. Very small amphibole crystals (rare). Original description: argillite. | California | 1 | Ritter 154, 14 F |
GRD01VQS0 | Slate | Dark grey/black slate with visible muscovite crystals. | 0 | Ritter 154, 14 F | |
GRD01VXS0 | Slate | Argillite. Purple with pink and teal lenses (due to leaching?). Fine-grained. Earthy luster. | 0 | Ritter 154, 14 F | |
GRD02NZS0 | Slate | Small sample of dark slate. Foliated. Original label: Metasediment. Schist pendant. | California | 1 | Ritter 154, 14 F |
GRD02O2S0 | Slate | Very small sample of slate. Original label: Metasediment? Metagreywacke? Schist pendant. | California | 0 | Camp Elliott |
GRD03Z6S0 | Slate | Black slate | California | 0 | Ritter 154, 14 F |