Rock samples: preliminary information and photos

Abbreviations:
* LU: Lithological unit
* GC: Geographic coordinates

Convention:
Node text: Rock sample name (Age of the LU) - Map name (Map scale)

1. Information from a reference geological map
1.1. Map name: Bostan-Abad
1.2. Map scale: 1:100,000
1.3. Symbol of the LU: Tgr
1.3. Age of the LU: Tertiary
1.4. Description of the LU: Alkali granite
1.5. GC of the map boundaries*: 37.50-38.0 N; 46.5-47.0 E
1.6. Reference (of the geological map): Behrouzi, A. and Aminifazl, A. and Aminiazar, B., 1997. Geological map of Bostan-Abad, scale, 1(100,000)

* Using the coordinate fields at the bottom of the post makes data geographically filterable during users’ searches.

2. Additional information
2.1. Rock sample name: Granite
2.2. Identifiable minerals: Quartz, Hematite
2.3. Rock texture: Phaneritic (Crystalline)
2.4. Rock colour: Colourless/Milky white (Felsic)
2.5. Exposure: Outcrop
2.6. Magmatic setting: -
2.7. Structural setting: Tensional/extensional fracture
2.8. GC of the sample rock: -
2.9. Geological structure: Vein
2.10. Note: An outcrop sample of quartz crystals developed on the edges of a quartz vein in granite. It seems that crystals have been formed in different habits.

3. About the photo:
3.1. Sample dimension: 10 cm
3.2. Copyright and license: Creative Commons
3.3. Credit: Qapcon.com