Hyalopilitic

Hyalopilitic

Hyalopilitic is a textural term used in petrographic classification of volcanic rocks. Specifically, hyalopilitic refers to a volcanic rock groundmass, which is visible only under magnification with a petrographic microscope, that contains a mixture of very fine-grained mineral crystals either mixed with natural volcanic glass, or surrounded by thin bands of volcanic glass.

ee also

* List of rock textures
* Rock microstructure
* Obsidian


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • hyalopilitic — |hīə(ˌ)lōˌpī|lid.ik adjective Etymology: International Scientific Vocabulary hyalopilit (from German hyalopilitisch hyalopilitic, from hyal + Greek pilos felt + German it ite + isch ish, from Old High German isc) + …   Useful english dictionary

  • hyalopilitic — adjective A textural term used in petrographic classification of volcanic rocks, referring to a volcanic rock groundmass, which is visible only under magnification with a petrographic microscope, that contains a mixture of very fine grained… …   Wiktionary

  • hyalopilitic — hy·a·lo·pi·lit·ic …   English syllables

  • υαλοπιλητικός — ή, ό, Ν φρ. «υαλοπιλητικός ιστός» (πετρογρ.) ιστός εκρηξιγενούς πετρώματος που αποτελείται από μικροσκοπικούς βελονοειδείς κρυστάλλους διασπαρμένους μέσα σε υαλώδη θεμελιώδη μάζα. [ΕΤΥΜΟΛ. Νόθο αντιδάνειο, πρβλ. hyalopilitic (< ύαλος + πίλημα) …   Dictionary of Greek

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”