different between rhyolite vs gabbro

English

Etymology

Coined by Ferdinand von Richthofen as German Rhyolith, from Ancient Greek ??? (rhé?, “flow”) + ????? (líthos, “stone”) (modified to +? -lite).

Noun

rhyolite (countable and uncountable, plural rhyolites)

1. (geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.

   Synonyms: liparite, quartz-trachyte

Derived terms

• rhyolitic

Translations

English

Etymology

From Italian gabbro.

Pronunciation

• (UK) IPA^(key): /??ab???/

Noun

gabbro (countable and uncountable, plural gabbros)

1. (petrology) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.
   • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 59:

     It is known as gabbro and is thought to form the lower layer of the oceanic crust at about four kilometres depth and to comprise a layer up to six kilometres thick, making it one of the most abundant, if least recognisable, materials on earth.

Derived terms

• gabbroid
• gabbroic
• leucogabbro
• melagabbro
• microgabbro

Translations

Italian

Etymology

Probably from Latin glaber (“smooth; hairless”), through an archaic meaning of "uncultivated, barren land".

Pronunciation

• IPA^(key): /??ab.bro/
• Rhymes: -abbro
• Hyphenation: gàb?bro

Noun

gabbro m (plural gabbri)

1. (petrology) gabbro

References

• gabbro in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana