Sample Type is Metamorphic › Granoblastic › Calcsilicate (Skarn)
21 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD001LS0 | Calcsilicate (Skarn) | Syenite/Diorite mixture. Little to no foliation. Small garnets in melanosomes. Fenner gneiss? Original label: Trachyte porphyry. | California | 1 | Ritter 154, 14 K |
| GRD002SS0 | Calcsilicate (Skarn) | Small sample, mostly composed of clear feldspar with a few black amphibole. Very porous/vuggy. | Germany | 0 | Ritter 154, 24 E |
| GRD002TS0 | Calcsilicate (Skarn) | Four very small samples that are mostly composed of clear wollastonite with flecks of red garnet and green diopside. Granulite facies. Original description: Wo-Ga-Di. | New York | 0 | Ritter 154, 14 K |
| GRD002VS0 | Calcsilicate (Skarn) | Tremolite-apatite-magnetite-calcite-perovskite- kimzeyite (?) | Arkansas | 0 | Ritter 154, 14 K |
| GRD00F7S0 | Calcsilicate (Skarn) | Large, coarse-grained sample. Calcite>>micas (biotite and muscovite)> hedenbergite> oxides. Original description: impure coarse grained marble, light brown (hedenbergite?), micas. | 0 | Ritter 154, 14 I | |
| GRD00UNS0 | Calcsilicate (Skarn) | Large sample composed of irregular bands of clear (calcite), grey, and bright green minerals (Vesuvianite? Epidote?). Original description: epidote-mineralized rock? hydrothermal alteration? | California | 0 | Ritter 154, 14 K |
| GRD01WDS0 | Calcsilicate (Skarn) | Amphibole-biotite-garnet-quartz. Very large garnet porphyroblast. Original description: gedrite-garnet-cordierite-magnetite skarn. | Canada | 0 | Ritter 154, 14 K |
| GRD0202S0 | Calcsilicate (Skarn) | Medium- to coarse-grained. Weakly foliated/banded with bands of white wollastonite (?), red garnet porphyroblasts, and green vesuvianite (?). Contact metamorphism. See also M-170. Original description: Ga-Wo skarn. | California | 0 | Ritter 154, 14 K |
| GRD020AS0 | Calcsilicate (Skarn) | Medium- to coarse-grained. Weakly foliated/banded with bands of white wollastonite (?), red garnet porphyroblasts, and green vesuvianite (?). Contact metamorphism. See also M-149. | California | 0 | Ritter 154, 14 K |
| GRD020BS0 | Calcsilicate (Skarn) | Coarse-grained white calcsilicate with gradual development of serpentine and pyrite. Original description: serpentinous marble. Grenville age. | New York | 1 | Ritter 154, 14 K |
| GRD020RS0 | Calcsilicate (Skarn) | Contact/gradation between metapelite (fine-grained, quartz and phyllosilicates) and medium-grained skarn (poorly formed/preserved amphibole and garnet in granular/sugary quartzite matrix). | South Dakota | 0 | Ritter 154, 14 K |
| GRD02BUS0 | Calcsilicate (Skarn) | Large calcite crystals with nice cleavage. Small dark and light green pyroxene crystals. | 1 | Ritter 154, 14 K | |
| GRD02C2S0 | Calcsilicate (Skarn) | Large, beautiful sample. Epidote-potassium feldspar-calcite. Original label: Museum quality epidote. | Unknown | 0 | Ritter 154, 14 K |
| GRD02EMS0 | Calcsilicate (Skarn) | Coarse-grained calcsilicate. Very soft (Mohs hardness ~2). Chicken-wire appearance of dark rings. | 0 | Ritter 154, 14 K | |
| GRD02O7S0 | Calcsilicate (Skarn) | Banded hornfels. The lighter layers appear to be more siliceous. | California | 0 | Camp Elliott |
| GRD02OTS0 | Calcsilicate (Skarn) | Very small, very fine-grained sample. Original label: Meta-tuff? - Hornfels?. | California | 3 | Camp Elliott |
| GRD02S9S0 | Calcsilicate (Skarn) | Magnesium silicate skarn along a fault-controlled contact of syenite to quartz monzonite. Part of Vulcan mine-Burro Prospect. | California | 0 | Ritter 154, 14 K |
| GRD02S9S1 | Calcsilicate (Skarn) | Magnesium silicate skarn along a fault-controlled contact of syenite to quartz monzonite. Part of Vulcan mine-Burro Prospect. | California | 0 | Ritter 154, 24 M |
| GRD02T8S0 | Calcsilicate (Skarn) | Garnet-Calcite-Epidote-Quartz | 0 | Ritter 154, 14 K | |
| GRD02URS0 | Calcsilicate (Skarn) | Garnet bearing skarn. Original Label : Contact hf. with garnets. | California | 8 | Ritter 154, 14 K |
| GRD042WS0 | Calcsilicate (Skarn) | contact between coarse, subhedral amphibolite and coarse grained pink calcite with ox | Canada | 0 | Ritter 154, 14 K |