| GRD00I8S0 |
Basalt
|
vesicular basalt ~aphyric |
|
0 |
Camp Elliott |
| GRD00I9S0 |
Granite
|
granite (Ks-Q-Bi-Pl (minor)); Carlsbad twins in Kspar. Also labelled I-646. |
|
0 |
Ritter 154, 19 B |
| GRD00IAS0 |
Scoria
|
scoriaceous basalt |
|
0 |
Camp Elliott |
| GRD00IBS0 |
Pegmatite
|
granite pegmatoid (Ksp-Q-Musc-plag(minor)) |
|
0 |
Camp Elliott |
| GRD00ICS0 |
Granodiorite
|
granodiorite (Pl-Q-Bi-Ks(minor)) |
|
0 |
Camp Elliott |
| GRD00IDS0 |
Gabbro
|
gabbro (Pl-CPX) |
|
0 |
Camp Elliott |
| GRD00IES0 |
Basalt
|
basalt (very sparse Px) |
|
0 |
Camp Elliott |
| GRD00IFS0 |
Obsidian
|
obsidian with pumaceous layer +Q? |
|
0 |
Camp Elliott |
| GRD00IGS0 |
Ignimbrite
|
Rhyolite tuff (Q euhedral-Ks-pumice) |
|
0 |
Camp Elliott |
| GRD00IHS0 |
Ignimbrite
|
rhyolite tuff (Q-Plag-Bi/Hb reddened) |
|
0 |
Camp Elliott |
| GRD00IIS0 |
Dunite
|
dunite |
|
0 |
Camp Elliott |
| GRD00IJS0 |
Rhyolite
|
rhyolite cobbles (Q-Ksp) |
|
0 |
Camp Elliott |
| GRD00IKS0 |
Ignimbrite
|
rhyolite tuff (white and green; pumice-Ks) |
|
0 |
Camp Elliott |
| GRD00ILS0 |
Dacite
|
Dacite (Hb-Q), nice euhedral amphibole, multiple pieces (13 in total) |
|
0 |
Ritter 154, 15 Q |
| GRD00IMS0 |
Dunite
|
dunite: missing? |
|
0 |
Camp Elliott |
| GRD00INS0 |
Obsidian
|
obsidian (half dozen small pieces) |
|
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 |
| GRD00IPS0 |
Basalt
|
Px-Ol basalt |
Hawaii |
0 |
Ritter 154, 16 R |
| GRD00IQS0 |
Basalt
|
vesicular, sparsely Plag, Ol phyric basalt; 1960 flow |
Hawaii |
0 |
Ritter 154, 16 R |
| GRD00IRS0 |
Basalt
|
picritic basalt |
Hawaii |
0 |
Ritter 154, 16 H |
| GRD00ISS0 |
Basalt
|
vesicular, porphyritic Ol-basalt; 1840 flow |
Hawaii |
0 |
Ritter 154, 16 H |
| 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 |
| GRD00IVS0 |
Pegmatite
|
sheared pegmatite dikes; field trip stop |
California |
0 |
Ritter 154, 16 P |
| 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 |
| GRD00IZS0 |
Pegmatite
|
Garnet-bearing pegmatite. |
|
0 |
Ritter 154, 16 P |
| GRD00J0S0 |
Basalt
|
vesicular, aphyric basalt |
California |
0 |
Ritter 154, 20 M |
| GRD00J1S0 |
Monzonite
|
hydrothermally altered monzonite porphyry |
Arizona |
0 |
Ritter 154, 15 E |
