| GRD0405S0 |
Granodiorite
|
Boulder Creek Granodiorite. Plagioclase rich, near Tonalite composition. Hornblende bearing with minor Epidote and Sphene. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD0406S0 |
Granodiorite
|
Boulder Creek Granodiorite. Somewhat foliated. Very low K-spar content, Tonalite composition. Hornblende bearing, with minor Epidote, Sphene, Apatite. Trace Allanite and Zircon. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD0407S0 |
Granodiorite
|
Boulder Creek Granodiorite. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD0408S0 |
Granodiorite
|
Boulder Creek Granodiorite. Porphyroblastic. Minor Allanite and Apatite with trace Zircon and Sphene. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD0409S0 |
Monzonite
|
Twin Spruce Quartz Monzonite. Trace Allanite, Apatite and Zircon. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040AS0 |
Diorite
|
Biotite - Hornblende Quartz Diorite. Minor Apatite, Epidote, Shene. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040BS0 |
Intermediate Intrusive
|
Pyroxene bearing Hornblendite. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040CS0 |
Diorite
|
Dioritic inclusion. Quartz Monzodiorite. Contains light feldspar strings and knots. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040DS0 |
Granodiorite
|
Pegmatitic Pod. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040ES0 |
Granodiorite
|
Boulder Creek Granodiorite. Somewhat more leucocratic than normal. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040FS0 |
Granodiorite
|
Boulder Creek Granodiorite, migmatitic, with many feldspar strings and dikelets. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040GS0 |
Gneiss
|
Granitic Gneiss. Foliated. K-spar dominant. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040HS0 |
Intermediate Intrusive
|
Plagioclase and Hornblende bearing mafic inclusion with trace pyroxene. Many inclusions in long pods or streamers. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040IS0 |
Granodiorite
|
Boulder Creek granodiorite, country rock. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040JS0 |
Monzonite
|
Silver Plume quartz monzonite. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040KS0 |
Gneiss
|
Sillimanite gneiss |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040LS0 |
Granodiorite
|
Boulder Creek granodiorite. This is a darker than average facies. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040MS0 |
Granodiorite
|
Boulder Creek Granodiorite in satalitic pluton. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040NS0 |
Non-layered Gneiss
|
Cordierite-Garnet-Gedrite Gneiss. Two samples. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040OS0 |
Granodiorite
|
Boulder Creek Granodiorite, somewhat porphyroblastic. |
California |
0 |
Ritter 154, 29 J |
| GRD040PS0 |
Monzonite
|
Dike of Silver Plume Quartz Monzonite. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040QS0 |
Gneiss
|
Cordierite-Garnet-Sillimanite Gneiss |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040RS0 |
Monzonite
|
Twin Spruce Quartz Monzonite. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040SS0 |
Monzonite
|
Twin Spruce Quartz Monzonite, a somewhat less leucocratic facies. Very little rock that does not have some slight iron staining. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040TS0 |
Granodiorite
|
Boulder Creek Granodiorite - quartz monzonite facies (see map figure 3). Somewhat foliated. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040US0 |
Granodiorite
|
grey, strongly foliated biotite-muscovite Bethlehem granodiorite; Bethlehem (originally mapped as Bethlehem gneiss) |
New Hampshire |
0 |
Ritter 154, 29 I |
| GRD040VS0 |
Granodiorite
|
strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) |
New Hampshire |
0 |
Ritter 154, 29 I |
| GRD040WS0 |
Granodiorite
|
strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) |
New Hampshire |
0 |
Ritter 154, 29 I |
| GRD040XS0 |
Granodiorite
|
strongly foliated biotite-muscovite granodiorite (Bethlehem granodiorite originally mapped as Bethlehem gneiss) |
New Hampshire |
0 |
Ritter 154, 29 I |
| GRD040YS0 |
Granite
|
grey, two-mica granite (Concord granite) |
New Hampshire |
0 |
Ritter 154, 29 I |
