Lab Quiz Rock ID

Most Igneous Rocks have a __________________ texture.

• Crystalline

• Clastic

• Glassy

• Other (made from dissolved minerals or organic material)

Which of these rocks contains the same minerals as Granite?

• Pumice and Basalt

• Basalt and Gabbro

• Gabbro and Obsidian

• Obsidian and Pumice

Tags

NGSS.MS-PS1-1

Igneous rocks with a coarse grain size are

• Intrusive (cooled from magma)

• Extrusive (cooled from lava)

• Sedimentary

• Metamorphic

For which type of rock is color the least helpful in identifying?

• Igneous

• Sedimentary

• Metamorphic

• All of the above

Limestone, Dolomite, and Marble all contain some

• Silicon Dioxide

• Carbonate minerals

• Crystals

• Fossils

Tags

NGSS.MS-PS1-1

When Granite is changed by extreme heat and pressure it becomes

• Gneiss

• Marble

• Quartzite

• Slate

A rock with light and dark colored minerals that cooled quickly from lava with a lot of trapped gases is

• Basalt

• Obsidian

• Gabbro

• Pumice

When "poorly sorted" sediments are deposited quickly (not far from their source) and cemented together, they form the rock

• Sandstone

• Shale

• Conglomerate

• Breccia

A rock formed from quartz sandstone or chert that was changed by extreme heat and pressure is

• Limestone

• Slate

• Gneiss

• Quartzite