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: Torkamanchay-Qarachaman
1.2. Map scale: 1:100,000
1.3. Symbol of the LU: gr2
1.3. Age of the LU: Oligocene
1.4. Description of the LU: Granite
1.5. GC of the map boundaries*: 37.50-38.0 N; 47.0-47.50 E
1.6. Reference (of the geological map): Asadian, A. and Aminifazl, A. and Khodabandeh, A., 1993. Geological map of Torkamanchay-Qarachaman, 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: Alkali feldspar granite and Diabase
2.2. Identifiable minerals: Granite: Quartz, Plagioclase, Orthoclase, Biotite, Chlorite, Diabase: Plagioclase, Pyroxene
2.3. Rock texture: Granite: Phaneritic (Granular); Diabase: Porphyritic
2.4. Rock colour: Granite: Pinkish light grey (Felsic); Diabase: Dark green (mafic)
2.5. Exposure: Drilling core
2.6. Magmatic setting: -
2.7. Structural setting: -
2.8. GC of the sample rock: -
2.9. Note: This sample shows an intrusion of alkali feldspar granite into diabase. There is a fault that has displaced a diabase fragment. Also, there is a quartz filling along the fault.

3. About the photo:
3.1. Sample dimension: 10-40 cm
3.2. Copyright and licence: Creative Common