| GRD00HES0 |
Syenite
|
Augite syenite (green Augite- pink Ks) |
|
0 |
Ritter 154, 15 D |
| GRD00HFS0 |
Diorite
|
diorite (Pl-Bi-Hb minor) with polished surface |
|
0 |
Ritter 154, 15 P |
| GRD00HGS0 |
Syenite
|
Kspar, Plag, Amph, Biotite |
|
0 |
Ritter 154, 15 D |
| GRD00HHS0 |
Granite
|
granite cobble |
|
0 |
Camp Elliott |
| GRD00HIS0 |
Scoria
|
glassy scoriaceous basalt |
|
0 |
Camp Elliott |
| GRD00HJS0 |
Granite
|
coarse-grained pink granite with mafic xenolith |
|
0 |
Camp Elliott |
| GRD00HKS0 |
Bombs
|
andesite volcanic bomb |
|
0 |
Ritter 154, 15 J |
| GRD00HLS0 |
Dunite
|
dunite with minor chromite |
|
0 |
Ritter 154, 16 K |
| GRD00HMS0 |
Obsidian
|
altered obsidian with Q |
|
0 |
Camp Elliott |
| GRD00HNS0 |
Scoria
|
scoriaceous basalt |
|
0 |
Ritter 154, 15 R |
| GRD00HOS0 |
Pegmatite
|
granite pegmatoid (Ksp-Pl-Q-Tourmaline) |
|
0 |
Ritter 154, 16 P |
| GRD00HPS0 |
Syenite
|
red syenite (Kspar, Q, Hb, Bi) with Rapakivi texture (plag around Kspar) |
|
0 |
Ritter 154, 15 C |
| 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 |
| GRD00HSS0 |
Basalt
|
sparsely Ol-phyric basalt. Original label: Bi-trachyte? |
S. Baker |
0 |
Camp Elliott |
| GRD00HTS0 |
Dunite
|
dunite with trace chromite |
|
0 |
Ritter 154, 16 K |
| GRD00HUS0 |
Micaceous Extrusive
|
thin section billet and mica separate from Ol-Plag-mica kimberlite |
Norway |
0 |
Ritter 154, 16 O |
| GRD00HVS0 |
Gabbro
|
Original description: Hb gabbro. |
|
0 |
Ritter 154, 20 B |
| GRD00HWS0 |
Pegmatite
|
small fragment of granite pegmatoid (beautiful mica) |
|
0 |
Ritter 154, 16 P |
| GRD00HXS0 |
Trachyte
|
altered porphyritic trachyte (Kspar, Plag phenocrysts) |
California |
0 |
Ritter 154, 15 H |
| GRD00HYS0 |
Basalt
|
vesicular basalt |
California |
0 |
Camp Elliott |
| GRD00HZS0 |
Diorite
|
diorite (Plag, Q, Hb, Bi, minor Kspar) with mafic enclave |
|
0 |
Camp Elliott |
| GRD00I0S0 |
Rhyolite
|
rhyolite porphyry (euhedral Q-Ks) |
|
0 |
Ritter 154, 15 G |
| GRD00I1S0 |
Basalt
|
Porphrytic (Px, sparse Ol) basalt. Probably part of the 64 Ma Valmont dike. |
Colorado |
1 |
Ritter 154, 16 H |
| 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 |
| GRD00I5S0 |
Pumice
|
pumice |
|
0 |
Ritter 154, 15 J |
| GRD00I6S0 |
Granite
|
granite (pink Ksp-white Ks?-Q-Bi) |
|
0 |
Camp Elliott |
| GRD00I7S0 |
Diorite
|
diorite (Pl-Bi-Hb) plag not great |
|
0 |
Camp Elliott |
