General Geology Lab

Rock List

I) IGNEOUS ROCKS

Mafic and Ultramafic Rocks Andesitic Rocks Acidic Rocks

1. Scoria 11. Andesitic Pumice 21. Obsidian
2. Basalt 12A. Pyroclastic materials (Tuff) 22. Pumice
3. Spilit 12B. Pyroclasts 23. Rhyolite
4. Serpantinite 13. Andesite 24. Diorite
5. Gabbro 14. Andesitic Porphyry 25. Granodiorite
6. Diabase 26. Granite
7. Proksenite 27. Pegmatite

II) SEDIMENTARY ROCKS

Clastic Rocks Chemical Rocks Organic Rocks

31. Breccia 41. Chert 51. Petrified Wood

32. Conglomerate 42. Radiolarite 52. Shell fragments

33. Sandstone 43. Opal 52A. Coquina (Limestone)

34. Siltstone 44. Phosphate 52B. Fosilliferous Limestone

35. Claystone 45. Evaporite 52C. Limestone (deep sea)

36. Shale (Mudstone) 45A. Rock Gypsum 53. Oolitic Limestone

46. Travertine 54. Micrite

47A. Limestone 55. Marn

47B. Carbonate Rounds 56. Chalk

III) METAMORPHIC ROCKS

Non-foliated Rocks Foliated Rocks

61. Marble 71. Slate

62. Metabasite 72. Phyllite

73A. Shist (Mica)

73B. Shist (Garnet)

73C. Shist (Hornblend)

74. Amphibolite

75. Gneiss

76. Pegmatitic Gneiss