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Carbonate Sand, Yucatan, Mexico

 

Environment

 

Macro

Location:

Isla Mujeres, Yucatan, Mexico

Depositional facies:

broad, shallow, long, medium to low energy beach

Provenance:

local provenance from the water covered Yucatan platform east of Isla Mujeres. Biogenically grown carbonate is eroded periodically by hurricanes and transported to the beaches by currents

Composition:

CaCO3 (calcite and aragonite)

Texture:

Medium grained, well sorted, well rounded


Petrographic thin section:

Dominated by "tiara" or 
fingerprint similar red algae

Bright field

 

Dark field

Sample number

Collector

Date of sampling

heubeck0017

unknown (gift)

1995?

Comments:

Isla Mujeres is a huge island near Yucatan

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