plagioclase

Examples

• All

• Lighter minerals of the plagioclase family rose to the top and formed the crust.

• Such fabrics are not generally observed in plutonic rocks, in which plagioclase crystals are instead generally elongated parallel to (010).

  Academic text (2018)

• If memory serves, about the only thing that Jack Schmitt found was some strange-looking plagioclase.

  Blog text (5)

• Anorthosite, a rock made up primarily of the mineral plagioclase feldspar, is the main constituent of the highlands.

  Academic text (2003)

• The following examples illustrate the consonance of phase relations and textures in granitic rocks. Early formed plagioclase.

  Academic text (2018)

• The grain boundaries in this cluster are generally planar and parallel to commonly developed growth faces in plagioclase (examples are arrowed). Crossed polars.

  Academic text (2018)

• The finding confirmed a central tenet of the magma-ocean hypothesis: the original crust of the Moon was anorthosite rock formed out of plagioclase feldspar floating in a dense global magma.

  Academic text (2003)

• Anorthosite, a rock made up primarily of the mineral plagioclase feldspar, is the main constituent of the highlands.

• Your black-and-white particles were composed of plagioclase, biotite, hornblende, and pyroxene.

Synonyms

F

feldspar

vsplagioclase

• Specialized

2 9.0

A hard mineral found in many rocks like granite

refers to the specific triclinic subgroup that commonly forms granite and basalt

Surface Forms

Etymology