pyroxene andesite造句

• They are constructed by dacite and smaller amounts of pyroxene andesite.
• Pyroxene andesites are found up to of altitude.
• Pyroxene andesite is the dominant component.
• Most igneous rocks in the Pocdol Mountains consist of pyroxene andesites with minor amounts of dacite and basalts.
• The last lavas to erupt from the vent were hornblende-pyroxene andesites with a hornblende dacite dome at its summit.
• This complex erupted pyroxene andesite, long lava flows from cone and dense rock equivalent of fall deposits and scoria from.
• Dark colored pyroxene andesite lava flows, volcaniclastic rocks, and basalts of the Sunlight Thorofare Creek Group overlie the Lamar River Formation.
• It was formed 15, 000 to 20, 000 years ago from pyroxene andesite flows and has since been intruded by a hornblende dacite dome.
• U . S . Highway 395 traverses the so-called " Alta Formation ", which is composed largely of pyroxene andesite flows, flow breccia, and laharic breccia.