...
high textural maturity: very well sorted, well rounded, black, greenish, hyaline shining, smooth and dull, rough-textured surfaces, medium sand (250 to 400 μm)
Sample Number:
number of the sample heubeck0086
Collector:
Collector of the sand, Institution Prof. Walter Franke, Freie Universität Berlin
Date:
Date of samplingca. 1980
Comments:
Further comments on the sand, depositional history, ecc.
