Sample Type is Igneous › Plutonic › Intermediate Intrusive › Diorite
70 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD02N0S0 | Diorite | Fine- to medium-grained. Quartz-biotite-plagioclase-vesuvianite. Weakly foliated. | California | 0 | Ritter 154, 19 E |
| GRD02O9S0 | Diorite | Original description: Hornblende diorite. 3/4 thin sections | California | 4 | Ritter 154, 3 E |
| GRD02OES0 | Diorite | Plagioclase-biotite-quartz-oxide diorite. Missing TS box | California | 4 | Ritter 154, 15 P |
| GRD02OHS0 | Diorite | One cut slab of fine-grained diorite | California | 4 | Ritter 154, 15 P |
| GRD02OWS0 | Diorite | Large sample of quartz-rich diorite. Quartz-hornblende-biotite. Original label: Quartz diorite. | California | 3 | Ritter 154, 15 P |
| GRD02PIS0 | Diorite | Diorite. Thin section only. No hand sample. Original label: Quartz diorite. | California | 2 | Ritter 154 |
| GRD02QQS0 | Diorite | 50% plag, 15% hornblend, 20% quartz,10% biotite, 3% Kspar, 2% sphene and ap. Some opaques. | California | 1 | Ritter 154, 19 E |
| GRD02QTS0 | Diorite | California | 2 | Ritter 154, 15 P | |
| GRD02QYS0 | Diorite | California | 5 | Ritter 154, 15 P | |
| GRD02RSS0 | Diorite | One 1cm thick slab. Coarse grained, weathered, Plagioclase, Quartz, Hornblende, Biotite, trace K-spar apatite and sphene, minor chlorite | Point Reyes CA, from N end of point, from the Salinian block. | 4 | Ritter 154, 3 E |
| GRD02RYS0 | Diorite | Medium grained, Quartz, Plag, Hornblende, Biotite. | 0 | Ritter 154, 3 E | |
| GRD02U5S0 | Diorite | Biotite, Plagioclase, Amphibole bearing - Diorite(?). Original Label : Mafic phase, probably equivalent to enclaves in granodiorite 8/99 | California | 1 | Ritter 154, 15 P |
| GRD02U7S0 | Diorite | Quartz Diorite Avalanche deposit 9/20/99 | California | 1 | Ritter 154, 29 D |
| GRD02VKS0 | Diorite | Quartz Diorite, medium to coarse grained, anhedral, granular | California | 2 | Camp Elliott |
| GRD02VQS0 | Diorite | Quartz Diorite. Ritter Range volcanics, hypabyssal? | California | 1 | Camp Elliott |
| GRD02WPS0 | Diorite | Diorite | California | 2 | Ritter 154, 15 P |
| GRD02WQS0 | Diorite | Hornblende Diorite | California | 2 | Ritter 154, 15 P |
| GRD02XHS0 | Diorite | Hornblende Biotite Quartz Diorite. La Posta Quartz Diorite | California | 0 | Ritter 154, 15 P |
| GRD040AS0 | Diorite | Biotite - Hornblende Quartz Diorite. Minor Apatite, Epidote, Shene. | Colorado | 0 | Ritter 154, 29 J |
| GRD040CS0 | Diorite | Dioritic inclusion. Quartz Monzodiorite. Contains light feldspar strings and knots. | Colorado | 0 | Ritter 154, 29 J |
| GRD0417S0 | Diorite | Hypersthene quartz diorite, Spaulding stage (now mapped as Spaulding Tonalite) | New Hampshire | 0 | Ritter 154, 29 I |
| GRD041GS0 | Diorite | Hornblende gabbro-diorite, Spaulding stage (now mapped as part of Spaulding tonalite) | New Hampshire | 0 | Ritter 154, 29 I |
| GRD041XS0 | Diorite | Quartz Diorite | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD041YS0 | Diorite | Coarse grain Diorite, Utada Pluton | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD041ZS0 | Diorite | Dark Quartz Diorite. Older pluton, Utado plutons. | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD0420S0 | Diorite | Fine grain Diorite, small pluton. | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD0425S0 | Diorite | Hornblende Diorite, older pluton | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD0426S0 | Diorite | Quartz Diorite (?). Facies of Utada pluton | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD042DS0 | Diorite | Diorite. San Lorenzo Batholith | Puerto Rico | 0 | Ritter 154, 29 L |
| GRD0433S1 | Diorite | Hornblende Diorite Porphyry. Bull Mountain Bysmalith. Dynamited boulder from roadside | Utah | 2 | Ritter 154, 19 E |