Slate, Geology 1501

Type Metamorphic Rock Texture Foliated; Very fine-grained Composition Chlorite, Plagioclase, Quartz Index Minerals Color Bluish-gray Miscellaneous Foliation surface is dull and planar; Slaty Cleavage Metamorphic Type Regional Metamorphic Grade Low Grade (Low P – Low T) Parent Rock Shale or Mudstone Metamorphic Environment Low grade regional metamorphism along a convergent plate boundary

Does the Liaoji granite represent basement in the Jiao–Liao–Ji Belt? - ScienceDirect

Geolex — Northfield publications

Tremolite: Mineral information, data and localities.

Boxed Rock & Mineral Sets

From NASA JPL's Mailroom to Mars and Beyond - NASA

Tennantite Subgroup: Mineral information, data and localities.

ERTH 1501 : Earth Processes & Geological Materials for Engineers - The University of Queensland

Minerals, Free Full-Text

Rhosydd quarry - Wikipedia