- Home
- Rocks
- Type fossils
- Fossil Specimens
- Minerals
- Glossary
- Stratigraphic Chart
- Michel-Levy Chart
- Classification of igneous rocks
- University of Cambridge
- Department of Earth Sciences
- ESC Library
- Moodle
- Sedgwick Museum
- DoITPoMS
- Mindat.org
- Microfossils
- Bryozoans
- Webmineral
- Tree of Life
- CrystalMaker
- Virtual Microscope
Browse Items (1 total)
Sort by:
L172 Ultramafic cumulate
Hand Specimen
Greenish black, coarse-grained rock, comprising olivine, clinopyroxene and plagioclase.Grains typically 1-2 mm across.
Thin-section
Olivine - Subhedral to euhedral grains making up ~45% of the rock. Alteration to…