Geology Quiz

Which is a coarse-grained, igneous rock composed mainly of pyroxene, plagioclase feldspar, and olivine?

• granite

• gabbro

• rhyolite

• basalt

Which sample is igneous and has a coarse texture?

• sandstone

• conglomerate

• basalt

• granite

Which sample would most likely contain fossils?

• gneiss

• granite

• sandstone

• basalt

Tags

NGSS.MS-ESS2-3

The basalt was most likely formed by

• heat and pressure

• melting and solidification

• compaction and cementation

• erosion and deposition

If granite were subjected to intense heat and pressure, it would most likely change to

• sandstone

• conglomerate

• gneiss

• basalt

Why do diamond and graphite have different physical properties, even though they are both composed entirely of the element carbon?

• Only diamond contains radioactive carbon.

• Only graphite consists of organic material.

• The minerals have different arrangements of carbon atoms.

• The minerals have undergone different amounts of weathering.

Which mineral contains iron, has a metallic luster, is hard, and has the same color and streak?

• biotite mica

• galena

• kaolinite

• magnetite

Which mineral has a different color in its powdered form than in its original form?

• pyrite

• graphite

• kaolinite

• magnetite

Tags

NGSS.MS-PS1-2

Which minerals are found in the igneous rocks gabbro and basalt?

• olivine and quartz

• olivine and pyroxene

• pyroxine and orthoclase

• orthoclase and quartz

The best evidence for determining the cooling rate of an igneous rock during its solidification is provided by

• index fossils

• faults in the rock

• the crystal size of its minerals

• the disintegration of radioactive substances