Beach Sand, Sri Lanka
|
|
|
Bentota beach |
| Garnet sand |
Location |
...
Bentota River area, SW Sri Lanka | |
Depositional facies |
...
Provenance:
...
replace this with text about the dep facies | |
Provenance | High grade metamorphic rocks of the south indian craton |
Composition |
...
Transparent pink garnet, metallic black cassiterite, ilmenite, rutile, prismatic-elongate zirconia | |
Texture | Medium sand (ca. 400 µ), well to moderately sorted, angular (garnet) to subangular (cassiterite) |
Petrographic thin section:
Description | In the bright field transparent pink |
|
|
|
Bright field |
| Dark field |
...
Texture:
...
Sample number | heubeck0052 | ||
Collector | Hettiavatilu | ||
Date of sampling | heubeck0052 | Hettiavatilu | 1979 |
Comments:
Further comments on the sand, depositional history, ecc.A heavy minerals placer, characteristic for erosion products of high grade metamorphic rocks of S India in tropic climate and under intense chemical weathering