GRD00IXS0 |
Gabbro
|
moderately altered gabbro; Wards mineral sample 174 (anorthite) |
California |
0 |
Ritter 154, 16 D |
GRD00JJS0 |
Gabbro
|
biotite-bearing gabbro |
California |
0 |
Ritter 154, 16 R |
GRD01YYS0 |
Gabbro
|
Small sample with billet. Plagioclase, olivine, and oxides visible in hand sample. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
GRD0200S0 |
Gabbro
|
Hypidiomorphic granular, medium-grained, Pyroxene-plagioclase-quartz. Original description: Gabbroic or dioritic plutonic rock, continental type rock, Age Precambrian?, New Zealand Suite. |
New Zealand |
0 |
Ritter 154, 16 D |
GRD0200S1 |
Gabbro
|
Hypidiomorphic granular, medium-grained, Pyroxene-plagioclase-quartz. Original description: Gabbroic or dioritic plutonic rock, continental type rock, Age Precambrian?, New Zealand Suite. |
New Zealand |
0 |
Ritter 154, 16 D |
GRD0229S0 |
Gabbro
|
Black crystalline sample. ~7x3 cm on the cut face. Billet pieces. Largest crystals are amphibole, interstital white crystals. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
GRD0244S0 |
Gabbro
|
Two small cut samples measuring ~6x3.5x3 cm and ~5x3x2 from the cut faces. Black crystalline interior. Billet pieces in a bag. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
GRD0245S0 |
Gabbro
|
Small (~5 cm in diameter) uncut rounded sample. Chip in sample reveals dark green crystalline interior. Fe-Mn crust on sample. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
GRD0246S0 |
Gabbro
|
Two small cut samples measuring ~5x4x5 and ~4x4.5x2.5 cm from the cut faces. Dark green crystalline interior. Fe-Mn crust on sample. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
GRD024CS0 |
Gabbro
|
Two medium-sized cut sample measuring ~6x6x3 cm and ~4x5x2 cm from the cut faces. Grey crystalline interior. White rind. Billet pieces in a bag. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
GRD024DS0 |
Gabbro
|
Small (~5 cm in diameter) uncut sample. Chip in sample reveals black crystalline interior, some Fe-stained blebs. White rind. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
GRD024HS0 |
Gabbro
|
Two small cut samples measuring ~3x3x2.5 cm and ~2x2x1 cm from the cut faces. Interior composed of dark green crystals in finer-grained grey to white matrix. White crystalline rind. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
GRD028GS0 |
Gabbro
|
Very large (~10.5x8x12 cm from the larger cut surface) sample with green-black crystalline interior and a Fe-Mn crust. Billet. Original label: 8 August, 1968. SiO2 ~50.0, TiO2 ~0.30, Na2O ~2.95, K2O ~0.07, P2O5 <0.01. Olivine-Augite. |
Indian Ocean |
0 |
Ritter 154, 34 A |
GRD02E8S0 |
Gabbro
|
Medium-grained gabbro. Carbonate veins. Billet. Probably from Ligurian ophiolite. |
Italy |
1 |
Ritter 154, 16 D |
GRD02J5S0 |
Gabbro
|
gabbro (Q gabbro: plag, CPX, amphibole and intercumulus micrographic intergrowth and Q) |
Canada |
0 |
Ritter 154, 16 D |
GRD02NHS0 |
Gabbro
|
Fine-grained green gabbro. Carbonate crust and veins in sample. |
California |
1 |
Camp Elliott |
GRD02NJS0 |
Gabbro
|
Fine-grained green gabbro. Carbonate spots and veins in sample. |
California |
0 |
Camp Elliott |
GRD02NKS0 |
Gabbro
|
Coarse-grained green gabbro. Pyroxene. Nice hand sample. |
California |
1 |
Ritter 154, 16 C |
GRD02NMS0 |
Gabbro
|
Sample of coarse-grained green gabbro. |
California |
0 |
Camp Elliott |
GRD02NOS0 |
Gabbro
|
Small sample of coarse-grained gabbro. Fair amount of metallic oxides. |
California |
0 |
Camp Elliott |
GRD02NPS0 |
Gabbro
|
Two small samples of coarse-grained gabbro. One sample could be made into a billet. |
California |
0 |
Camp Elliott |
GRD02NRS0 |
Gabbro
|
Small sample of medium grained gabbro. 50% orthoclase - 50% amphibole. |
California |
0 |
Camp Elliott |
GRD02NSS0 |
Gabbro
|
Small sample of coarse grained gabbro. 50% orthoclase - 50% amphibole. |
California |
0 |
Ritter 154, 16 D |
GRD02NWS0 |
Gabbro
|
Plagioclase-rich gabbro with Fe-stained crust on sample. Original label: Gabbro. Plagioclase (An55), Hypersthene (many with pyroxene overgrowths), opaques form a lattice-like pattern. A few apatite crystals. Numerous complex twins amo(?)-orthopyroxene-clinopyroxene-olivine-hornblende-spinel. |
California |
4 |
Ritter 154, 3 E |
GRD02OKS0 |
Gabbro
|
Large sample of hornblende gabbro. Original label: From blasted outcrop in road. |
California |
2 |
Ritter 154, 16 D |
GRD02OLS0 |
Gabbro
|
Two samples of anorthositic gabbro. Exsolution of pyroxenes in thin section. |
California |
3 |
Ritter 154, 16 F |
GRD02PCS0 |
Gabbro
|
Coarse-grained gabbro. Billets. Original label: Ophiolite. Typical gabbro. |
California |
2 |
Ritter 154, 29 F |
GRD02PDS0 |
Gabbro
|
Dark green fine-grained diorite (?) Billets. Original label: Ophiolite. Quartz diorite? Dike cutting Calif 1103. |
California |
2 |
Ritter 154, 29 F |
GRD02R3S0 |
Gabbro
|
Hb gabbro; part of meter scale dike with very large amphibole crystals perpendicular to the margin. 3-6 cm Hb crystals with altered plagioclase. Slightly fractured. |
California |
0 |
Ritter 154, 16 C |
GRD02R4S0 |
Gabbro
|
|
California |
0 |
Ritter 154, 20 B |