Point counting

How point counting is used in geology.

Point Counting

Grain Coat Analysis

Discussion on techniques for Quantitative Grain Coat Analysis

Quantitative Grain Coat Analysis

Trask sorting

Explanation of the Trask sorting co-efficient.

Trask sorting

Articles on the statistical techniques used in petrography and PETROG

Statistical Techniques

Sales :  Support :

Registered in England and Wales company # 03449181.
This website does not use cookies.

© Copyright: Conwy Valley Systems Limited  2000 - 2025

Conwy Valley Systems Limited,

West Acre, Llys Helyg, Deganwy

CONWY LL31 9BN, United Kingdom.

VAT# GB 741 5190 48


A Geoscience Wales  founding member.

PETROG includes patent protected technology.

PETROG Home PETROG Home PETROG search