anorthosite

C28142
concept

Anorthosite is a coarse-grained igneous rock composed predominantly of plagioclase feldspar, typically forming in large intrusive bodies within the Earth's crust and on the Moon.

All labels observed (2)

Label Occurrences
anorthosite canonical 2
anorthosite suite 1

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: anorthosite
Generated description
Anorthosite is a coarse-grained igneous rock composed predominantly of plagioclase feldspar, typically forming in large intrusive bodies within the Earth's crust and on the Moon.

Instances (3)

Instance Via concept surface
Genesis Rock
Apollo 15 anorthosite suite anorthosite suite
Lunar Sample 15415