| GRD00HQS0 |
Hornblende Gabbro
|
altered Hb-gabbro (epidote), large hornblende |
|
0 |
Ritter 154, 16 D |
| GRD00HRS0 |
Granite
|
fine grained, grey granite |
|
0 |
Ritter 154, 19 B |
| GRD00HTS0 |
Dunite
|
dunite with trace chromite |
|
0 |
Ritter 154, 16 K |
| GRD00HVS0 |
Gabbro
|
Original description: Hb gabbro. |
|
0 |
Ritter 154, 20 B |
| GRD00HZS0 |
Diorite
|
diorite (Plag, Q, Hb, Bi, minor Kspar) with mafic enclave |
|
0 |
Camp Elliott |
| GRD00I2S0 |
Granite
|
porphrytic, pink and white feldspars with biotite and hornblende; part of several ~1800 Ma granitoid intrusions |
Minnesota |
1 |
Ritter 154, 15 B |
| GRD00I3S0 |
Diorite
|
diorite (Pl-Px/Amph-Bi); probably the 390 Ma Salem gabbro-diorite |
Massachusetts |
1 |
Ritter 154, 15 P |
| GRD00I4S0 |
Syenite
|
hornblende syenite (Ks-Plag-Hb-Bi). |
Vermont |
1 |
Ritter 154, 19 D |
| GRD00I6S0 |
Granite
|
granite (pink Ksp-white Ks?-Q-Bi) |
|
0 |
Camp Elliott |
| GRD00I7S0 |
Diorite
|
diorite (Pl-Bi-Hb) plag not great |
|
0 |
Camp Elliott |
| GRD00I9S0 |
Granite
|
granite (Ks-Q-Bi-Pl (minor)); Carlsbad twins in Kspar. Also labelled I-646. |
|
0 |
Ritter 154, 19 B |
| GRD00ICS0 |
Granodiorite
|
granodiorite (Pl-Q-Bi-Ks(minor)) |
|
0 |
Camp Elliott |
| GRD00IDS0 |
Gabbro
|
gabbro (Pl-CPX) |
|
0 |
Camp Elliott |
| GRD00IIS0 |
Dunite
|
dunite |
|
0 |
Camp Elliott |
| GRD00IMS0 |
Dunite
|
dunite: missing? |
|
0 |
Camp Elliott |
| GRD00IOS0 |
Hornblende Gabbro
|
Hb gabbro; part of meter scale dike with very large amphibole crystals perpendicular to the margin |
California |
0 |
Ritter 154, 16 D |
| GRD00ITS0 |
Granodiorite
|
granodiorite (Q-Plag-Bi-Hb); nice Bi books |
California |
0 |
Ritter 154, 15 O |
| GRD00IUS0 |
Granodiorite
|
Q diorite (tonalite) with pegmatite dike field trip stop |
California |
0 |
Ritter 154, 15 R |
| GRD00IWS0 |
Granodiorite
|
sheared granodiorite field trip stop, slightly foliated. |
California |
0 |
Ritter 154, 15 O |
| GRD00IXS0 |
Gabbro
|
moderately altered gabbro; Wards mineral sample 174 (anorthite) |
California |
0 |
Ritter 154, 16 D |
| GRD00IYS0 |
Granodiorite
|
Quartz diorite from Peninsular Range Batholith. Euhedral hornblende. |
California |
0 |
Ritter 154, 15 R |
| GRD00J1S0 |
Monzonite
|
hydrothermally altered monzonite porphyry |
Arizona |
0 |
Ritter 154, 15 E |
| GRD00J7S0 |
Granite
|
porphyritic granite (Kspar phenos, Plag, Q, Hb, Bi, sphene) |
|
0 |
Ritter 154, 19 B |
| GRD00J8S0 |
Granite
|
medium grained, fresh granite (Plag, Kspar (pale pink), Q, Bi, Hb) |
|
0 |
Ritter 154, 15 B |
| GRD00JJS0 |
Gabbro
|
biotite-bearing gabbro |
California |
0 |
Ritter 154, 16 R |
| GRD00JMS0 |
Granite
|
pink granite (Kspar, Q) |
California |
0 |
Ritter 154 |
| GRD00JNS1 |
Granite
|
Large (2 cm) pink orthoclase crystals, quartz, biotite. |
|
0 |
Ritter 154, 15 B |
| GRD00VGS0 |
Dunite
|
dunite? lets get a thin section; Green granular hand sample. |
|
0 |
Ritter 154, 16 K |
| GRD01OKS0 |
Granite
|
Missing. Original description: 1 sack of polish and striae layer (from top cm or less). Probably not snow covered. Rock face in Cathedral Peak-type granite with abundant large (to 6 cm) euhedral K-spar. |
California |
0 |
|
| GRD01OLS0 |
Granite
|
Decent sized hand sample with large plagioclase. Billet. Original description: Hard specimen for petrography. |
California |
1 |
Camp Elliott |
