Siltstone with Pyrite Prophyroblasts

Identifier

NS-1

Description

Macroscopic: Low-grade metamorphic (zeolite facies) black siltstone with idiomorphic pyrite porphyroblasts. Microscopic: Very fine grained quartz and muscovite with large pyrite phenocrysts. Thin section picture in XPL unless noted in the picture title. Thin sections are 3mm across.

Idiomorphic: term used for igneous rock minerals which are bounded by crystals unusual the species

Date

N/A

Spatial Coverage

Temporal Coverage

Unit

Number of Thin Sections

1