Gabbro

Properties
Rock group Igneous
Classification Intrusive/plutonic
Composition Mafic
Texture Phaneritic
Extrusive counterpart Basalt
Common minerals Clinopyroxenes (e.g., augite)
Ca-rich plagioclase feldspars (e.g., labradorite, bytownite)
Olivine
Amphibole

Gabbro GigaPans

Gabbro

Plag-rich gabbro from Fetlar, Shetland

Gabbro in Thin Section

Thin Section GigaPans

Gabbro, plane polars

Gabbro, crossed polars

Olivine in gabbro, plane polars

Olivine in gabbro, crossed polars

Gabbro, plane polars
Gabbro, plane polars
Gabbro, crossed polars
Gabbro, crossed polars