Sample Type is Igneous › Plutonic › Mafic Intrusive › Gabbro
101 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD02R5S0 | Gabbro | Amphibole plag banding, medium grained. Plag and hornblend approximately one cm in size. Moderate weathering. Opx, possibly some olivine | California | 0 | Ritter 154, 16 D |
| GRD02S2S0 | Gabbro | Washington | 0 | Ritter 154, 3 C | |
| GRD02SZS0 | Gabbro | Coarse plagioclase and Hornblende, bands of coarse, medium, fine grain sizes. | California | 0 | Ritter 154, 16 D |
| GRD02T3S0 | Gabbro | Trinity ophiolite. Need thin section, appears to be plagioclase with pyroxene replaced by hornblende. Float. | California | 0 | Ritter 154, 16 D |
| GRD02T5S0 | Gabbro | Ulvo Gabbro. Plag, Cpx, Olivine, Fe-Ti Oxides(Magnetite, Ulvospinel, Ilmenite). Well developed lineation. Likely from RZb(Rythmically Layered Zone b) portion of complex. | Sweden | 0 | Ritter 154, 16 D |
| GRD02T6S0 | Gabbro | Ulvo Gabbro. Plag, Cpx, Olivine, Fe-Ti Oxides(Magnetite, Ulvospinel, Ilmenite). High weight percentage of Oxides. Likely from UZ(Upper Zone) of complex. | Sweden | 0 | Ritter 154, 16 R |
| GRD02UCS0 | Gabbro | Cuyamaca Gabbro | California | 2 | Ritter 154, 16 D |
| GRD02UVS0 | Gabbro | Cuyamaca Gabbro | California | 2 | Ritter 154, 16 D |
| GRD02UXS0 | Gabbro | Pt Sal Ophiolite, Stop 3 gabbro. | California | 2 | Ritter 154, 29 F |
| GRD02V0S0 | Gabbro | Pt. Sal ophiolite. Stop 8, troctolite. | California | 2 | Ritter 154, 29 F |
| GRD02VMS0 | Gabbro | Gabbro | California | 0 | Camp Elliott |
| GRD02WIS0 | Gabbro | Hornblende Gabbro. Coarse Grain | California | 1 | Ritter 154, 16 D |
| GRD02WRS0 | Gabbro | Mylonitic gabbro | California | 2 | Ritter 154, 29 F |
| GRD02WUS0 | Gabbro | Gabbro from Point Sal Ophiolite | California | 2 | Ritter 154, 29 F |
| GRD0446S0 | Gabbro | Gilford gabbro. Medium to coarse grained, plag, CPX (partially altered to hornblende) and ilmenite with large poikilitic hornblende up to 3 cm. | New Hampshire | 0 | Ritter 154, 29 E |
| GRD0446S1 | Gabbro | Gilford gabbro. Medium to coarse grained, plag, CPX (partially altered to hornblende) and ilmenite with large poikilitic hornblende up to 3 cm. | New Hampshire | 0 | Ritter 154, 29 E |
| GRD0453S0 | Gabbro | Olivine Gabbro, moderately altered | Pacific Ocean | 0 | Ritter 154, 16 C |
| GRD0454S0 | Gabbro | moderately altered | Pacific Ocean | 0 | Ritter 154, 16 C |
| GRD045HS0 | Gabbro | Gabbro with acicular pyroxene, about 10 feet lower than specimen 12, transition into gabbro zone. | Canada | 2 | Ritter 154, 29 K |
| GRD045IS0 | Gabbro | Gabbro | Canada | 0 | Ritter 154, 29 K |
| GRD045NS0 | Gabbro | Relatively fine grained gabbro with pyrite | Canada | 0 | Ritter 154, 29 K |
| GRD045NS1 | Gabbro | Relatively fine grained gabbro with pyrite | Canada | 0 | Ritter 154, 29 K |
| GRD046JS0 | Gabbro | Sea Floor Gabbro | Indian Ocean | 3 | Ritter 154, 16 C |
| GRD047OS0 | Gabbro | Fresh gabbro, medium grained, plag, cpx, and abundant small sphene grains. | Philippines | 1 | Ritter 154, 28 G |
| GRD048HS0 | Gabbro | Brown/green amphibole, plag, hornblende. | Philippines | 1 | Ritter 154, 28 G |
| GRD048IS0 | Gabbro | Hornblende gabbro. Green amphibole, plag, some cpx, sphene. | Philippines | 1 | Ritter 154, 28 G |
| GRD048RS0 | Gabbro | Cumulate texture. Some chlorite alteration. | Philippines | 1 | Camp Elliott |
| GRD048TS0 | Gabbro | Olivine gabbro, moderately altered. Very coarse grained. | Philippines | 1 | Ritter 154, 28 G |
| GRD0495S0 | Gabbro | Philippines | 1 | Ritter 154, 28 G | |
| GRD049AS0 | Gabbro | Very altered gabbro. Chloritized. | Philippines | 1 | Camp Elliott |