Sample Type is Metamorphic › Foliated › Gneiss › Non-layered Gneiss
44 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD02EYS0 | Non-layered Gneiss | Potassium feldspar-amphibole-biotite (?) gneiss. Poorly developed banding. See also M-158. | 0 | Camp Elliott | |
| GRD02F3S0 | Non-layered Gneiss | Plagioclase-quartz-biotite-magnetite (trace) gneiss. Original description: Deformed granite. | 1 | Ritter 154, 14 A | |
| GRD02JBS0 | Non-layered Gneiss | gneiss (leucocratic granulite : pinkish white quartzofeldspathic gneiss; Q, perthite (Kspar) with minor accessory apatite, zircon, OPX, CPX, biotite, hornblende, oxides. Feldspars are altered to white mica and epidote resulting in the distinctive pink appearance. Originally granulite metamorphism subjected to later hydrothermal alteration) | Virginia | 0 | Ritter 154, 24 A |
| GRD02JBS1 | Non-layered Gneiss | gneiss (leucocratic granulite : pinkish white quartzofeldspathic gneiss; Q, perthite (Kspar) with minor accessory apatite, zircon, OPX, CPX, biotite, hornblende, oxides. Feldspars are altered to white mica and epidote resulting in the distinctive pink appearance. Originally granulite metamorphism subjected to later hydrothermal alteration) | Virginia | 0 | Camp Elliott |
| GRD02NGS0 | Non-layered Gneiss | Sample of biotite-orthocase-quartz-oxides augen gniess. Augen composed of orthoclase and quartz. Original description: Augen gneiss. Probably cataclasite. | California | 0 | Ritter 154, 24 B |
| GRD02NTS0 | Non-layered Gneiss | Medium sized sample of a mica-poor gneiss. Large garnet crystals. Foliated amphibole. | California | 0 | Ritter 154, 24 B |
| GRD02OQS0 | Non-layered Gneiss | Foliated sample with large clasts of feldspar and hornblende. Mica-poor. Original label: Meta-tuff? Stage 1. | California | 3 | Ritter 154, 14 A |
| GRD02OXS0 | Non-layered Gneiss | Large sample of augen gneiss. Large augen of potassium feldspar. Potassium feldspar-quartz-biotite. Original label: S-C gneiss. | California | 1 | Ritter 154, 14 A |
| GRD02P4S0 | Non-layered Gneiss | Small sample of dark colored augen gneiss with plagioclase porphyroblasts. Billets. Original label: Calif 1085-1086 are concordant with this forming a screen of metamorphic rocks SE of Muir Pass. | California | 2 | Ritter 154, 14 A |
| GRD02UES0 | Non-layered Gneiss | Pinto Gneiss, mica-diorite gneiss. 11/28/96. Intriguing thin section | California | 1 | Ritter 154, 14 A |
| GRD02VBS0 | Non-layered Gneiss | Flaser gneiss. Interlayered with marble and amphibolite gneiss | California | 1 | Camp Elliott |
| GRD02VZS0 | Non-layered Gneiss | Unknown origin or composition. Blue/Gray rock with minor foliation. | California | 2 | Camp Elliott |
| GRD02XFS0 | Non-layered Gneiss | Qf gneiss interlayered with marble. East side of batholith | California | 0 | Camp Elliott |
| GRD040NS0 | Non-layered Gneiss | Cordierite-Garnet-Gedrite Gneiss. Two samples. | Colorado | 0 | Ritter 154, 29 J |