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Beach Sand, Kanniyakumari, Tamil Nadu, India

                                          

Kanniyakumari Beach

 

Macro

Location:

Kanniyakumari Beach, Tamil Nadu, south India

Depositional facies:

high energetic beach, zone of surge

Provenance:

Transport and weathering resistant minerals of the south indan hinterland (Southern Granulite Terrain, Dharwar craton); granulites, charnockites

Composition:

opaque ores/heavy minerals (ilmenite), garnet, clinopyroxene, zirkonia, calcite (echinoderm plates)

Petrographic thin section:

Quartz, garnet (pink in bright
field, black in dark field),
ilmenite (opaque),
few calcitic shells (ostracoda?)

Bright field

 

Dark field

Texture:

Texture of the grains, ecc.

Sample number

Collector

Date of sampling

 

 

 

Comments:

Further comments on the sand, depositional history, ecc.