Mineral and rock abundances

Click on mineral or rock names for glossary link.

None (0)	Minor (1)	Few (2)	Common (3)	Frequent (4)	Major (5)	Very Dominant (6)
0%	0-5%	5-15%	15-30 %	30-50%	50-70%	70-100%

Calcareous Unknown Very Dominant Major Frequent Common Few Minor None   Quartz Unknown Very Dominant Major Frequent Common Few Minor None   Feldspar Unknown Very Dominant Major Frequent Common Few Minor None
Pyroxene Unknown Very Dominant Major Frequent Common Few Minor None   Amphibole Unknown Very Dominant Major Frequent Common Few Minor None   Opaque iron oxides Unknown Very Dominant Major Frequent Common Few Minor None
Biotite Unknown Very Dominant Major Frequent Common Few Minor None   Muscovite Unknown Very Dominant Major Frequent Common Few Minor None   Olivine Unknown Very Dominant Major Frequent Common Few Minor None
Epidote Unknown Very Dominant Major Frequent Common Few Minor None   Garnet/ Spinel Unknown Very Dominant Major Frequent Common Few Minor None   Igneous/Metamorphic Rocks Unknown Very Dominant Major Frequent Common Few Minor None
Sedimentary/Metasedimentary Rocks Unknown Very Dominant Major Frequent Common Few Minor None   Grog Unknown Very Dominant Major Frequent Common Few Minor None

Rock types

Rock type identification can be very subjective. Use as a guide only.

Vitric Unknown Present Absent   Felsitic Unknown Present Absent   Microlitic Unknown Present Absent   Microphaneritic Unknown Present Absent
Lathwork Unknown Present Absent   Metavolcanic Unknown Present Absent   Plutonite Unknown Present Absent   Limeclast Unknown Present Absent
Tectonite Unknown Present Absent   Argillitic Unknown Present Absent   Chert Unknown Present Absent   Quartzite Unknown Present Absent
Siltstone Unknown Present Absent