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| Topical Code | Subcategory Indices | Topical Hierarchy (from Ned & Dave) | |||||
|---|---|---|---|---|---|---|---|
| First Number | Number of Specimens | Last Number | Top Level | Second Level | Third Level | Fourth Level | |
| I. Textures - unclassified | |||||||
| MPb | 1 | 5 | 5 | A. Porphyroblastic - unclassified | |||
| 6 | 10 | 15 | 1. Poikiloblastic | ||||
| 16 | 10 | 25 | 2. Predeformational | ||||
| 26 | 5 | 30 | 3. Syndeformational - unclassified | ||||
| 31 | 10 | 40 | a) Snowball textures | ||||
| 41 | 5 | 45 | 4. Postdeformational - unclassified | ||||
| 46 | 10 | 55 | a) Helicitic textures | ||||
| MMz | 1 | 10 | 10 | B. Mineral Textures - unclassified | |||
| 11 | 10 | 20 | 1. Zoning | ||||
| 21 | 10 | 30 | 2. Skeletal | ||||
| 31 | 10 | 40 | 3. Annealing | ||||
| MRt | 1 | 10 | 10 | C. Reaction textures - unclassified | |||
| 11 | 10 | 20 | 1. Psuedomorphs | ||||
| 21 | 10 | 30 | 2. Coronas | ||||
| 31 | 10 | 40 | 3. Epitaxis | ||||
| 41 | 10 | 50 | 4. Topotaxis | ||||
| 51 | 10 | 60 | 5. Depletion Haloes | ||||
| MMd | 1 | 100 | 100 | D. Metamorphic differentiation | |||
| II. Structures - see "D" collection | |||||||
| III. Lithologies | |||||||
| MQz | 1 | 10 | 10 | A. Quartzose - unclassified | |||
| 11 | 20 | 30 | 1. Quartzite | ||||
| 31 | 20 | 50 | 2. Meta-chert | ||||
| MCa | 1 | 10 | 10 | B. Calcareous - unclassified | |||
| 11 | 20 | 30 | 1. Marble | ||||
| 31 | 20 | 50 | 2. Calc-silicate rock | ||||
| 51 | 20 | 70 | 3. Skarn | ||||
| MPl | 1 | 10 | 10 | C. Pelitic - unclassified | |||
| 11 | 15 | 25 | 1. Slate | ||||
| 26 | 15 | 40 | 2. Phyllite | ||||
| 41 | 15 | 55 | 3. Mica Schist | ||||
| 56 | 15 | 70 | 4. Paragneiss | ||||
| MPs | 1 | 10 | 10 | D. Psammitic - unclassified | |||
| 11 | 20 | 30 | 1. Phyllonite or Semi-schist | ||||
| 31 | 20 | 50 | 2. Quartzofeldspathic Schist | ||||
| 51 | 20 | 70 | 3. Quartzofeldspathic gneiss | ||||
| MMf | 1 | 5 | 5 | E. Mafic - unclassified | |||
| 6 | 10 | 15 | 1. Meta-gabbro | ||||
| 16 | 10 | 25 | 2. Greenstone | ||||
| 26 | 10 | 35 | 3. Greenschist | ||||
| 36 | 10 | 45 | 4. Amphibolite | ||||
| 46 | 10 | 55 | 5. Pyroxene Granulite | ||||
| 56 | 10 | 65 | 6. Blueschist | ||||
| 66 | 10 | 75 | 7. Eclogite | ||||
| MUm | 1 | 5 | 5 | F. Ultramafic - unclassified | |||
| 6 | 10 | 15 | 1. Serpentinite | ||||
| 16 | 10 | 25 | 2. Talc Schist | ||||
| 26 | 10 | 35 | 3. Tremolite Schist | ||||
| 36 | 10 | 45 | 4. Talc-Forsterite rock | ||||
| 46 | 10 | 55 | 5. Alpine Peridotite | ||||
| 56 | 10 | 65 | 6. Hornblendite | ||||
| MPl | 1 | 10 | 10 | G. Meta-plutonic - unclassified | |||
| 11 | 20 | 30 | 1. Augen gneiss | ||||
| 31 | 20 | 50 | 2. Orthogneiss | ||||
| MVl | 1 | 10 | 10 | H. Meta-volcanic - unclassified | |||
| 11 | 20 | 30 | 1. Greenstone | ||||
| 31 | 20 | 50 | 2. Meta-dacite | ||||
| 51 | 20 | 70 | 3. Feldspathic schist | ||||
| MUn | 1 | 100 | 100 | I. Unusual Bulk-composition Rocks (e.g., meta-bauxite) | |||
| MGr | 1 | 100 | 100 | J. Granulite | |||
| MHf | 1 | 100 | 100 | K. Hornfels | |||
| MMg | 1 | 100 | 100 | L. Migmatite | |||
| IV. Series' | |||||||
| MBr | 1 | 5 | 5 | A. Barrovian - unclassified | |||
| 6 | 10 | 15 | 1. Chlorite Zone | ||||
| 16 | 10 | 25 | 2. Biotite Zone | ||||
| 26 | 10 | 35 | 3. Garnet Zone | ||||
| 36 | 10 | 45 | 4. Staurolite Zone | ||||
| 46 | 10 | 55 | 5. Kyanite Zone | ||||
| 56 | 10 | 65 | 6. Sillimanite Zone | ||||
| 66 | 10 | 75 | 7. Second Sillimanite Zone | ||||
| MBu | 1 | 100 | 100 | B. Buchan | |||
| MSb | 1 | 100 | 100 | C. Sambagawa | |||