Igneous Rock

What do you call liquid hot rock on the surface and what do you call it underground?

• Surface- Lava

  Underground- Magma

• Surface- Magma

  Underground- Lava

What crystal size does magma (underground) have?

• intrusive, cool really slowly, forms bigger crystals

• extrusive, cools really fast, lots of tiny crystals

What size of crystals does Lava (surface) have?

• extrusive, cools really fast, lots of tiny crystals

• intrusive, cool really slowly, forms bigger crystals

What are the some principal igneous rock textures?

• Phaneritic, Aphanitic, Glassy, Pegmatitic, Porphyritic

• Phaneritic, Aphanitic, Stone, Pegasus, Porphmorphic

• Phaneritic, Ashy, Glassy, Pegmatitic, Porphyritic

What is the most common molecule in magma and lava?

• Oxygen, O

• Silicon-Oxygen Tetrahedron, SiO4

• Magnesium, Mg

• Minerals

What are the two most common gasses dissolved in magma?

• Silica Magnesium (SMg3)

• Silicon and Helium

• Oxymoron (Ox) and Carbon (C)

• Water and CO2

WHAT ARE THE NAMES OF THE PHANERITIC IGNEOUS ROCKS WHICH FORM FROM EACH TYPE OF MAGMA?

• Obsidian

• Basaltic (Gabbro), Andesitic (Diorite), Rhyolite (Granite)

• Basaltic (Basalt), Andesitic (Andesite), Rhyolite (Rhyolite)

WHAT ARE THE NAMES OF THE APHANITIC IGNEOUS ROCKS WHICH FORM FROM EACH TYPE OF MAGMA?

• Basaltic (Gabbro), Andesitic (Diorite), Rhyolite (Granite)

• Obsidian

• Basaltic (Basalt), Andesitic (Andesite), Rhyolite (Rhyolite)

WHAT ARE THE NAMES OF THE GLASSY IGNEOUS ROCKS WHICH FORM FROM EACH TYPE OF MAGMA?

• Basaltic (Gabbro), Andesitic (Diorite), Rhyolite (Granite)

• Basaltic (Basalt), Andesitic (Andesite), Rhyolite (Rhyolite)

• Obsidian

On the Bowen’s reaction series, what are the first minerals to crystallize from a typical magma, and what is the last to crystallize? 

• First- Quartz and Last- Olivine and Calcium-Rich Plagioclase

• First- Olivine and Calcium-Rich Plagioclase and Last- Quartz

• First- Calcite Last- Quartz