Minerals
Which mineral is white or colorless, has a hardness of 2.5, and splits with cubic cleavage?
Halite
Which rock is foliated, shows mineral alignment but not banding, and contains shiny microscopic mica crystals.
Phyllite
What is the texture of Basalt?
Fine
Which rock is made up of the largest particle?
Conglomerate
Geologists classify rocks according to their …
Origin
Which element comprise most of the Earths crust both by weight and by volume?
Oxygen
Slate is formed by the metamorphism of
Shale
How are Igneous rocks formed?
Lava / hot liquid
Which type of rock most likey contains fossils?
Shale
Which element comprises most of the earths crust both by weight and by volume?
Oxygen
Which mineral is an ore of iron and has a characteristic reddish brown streak?
Hematite
Which rock would most likely be produced by the metamorphism of gray limestone?
marble
Which igneous rock has a vesicular texture and contains the minerals potassium feldspar and quartz?
Pumice
Which types of rocks would most likely form from compaction and cementation of these sediment?
Shale and coal
Which property is most useful in mineral identification?
Hardness
An unidentified mineral that is softer than calcite exhibits a metallic luster and cubic cleavage. This mineral most likely is …
Galena
Which rock is foliated, shows mineral alignment but not banding, and contains medium sized grains of quartz and pyroxene?
Schist
For an igneous rock to be classified as rhyolite, it must be light colored, be fine grained, and contain
Quartz
Which sedimentary rock may form as a result of biologic processes?
Fossil limestone
The physical properties of a mineral are largely due to its…
Internal arrangement of atoms
According to the Proprties Of Common Minerals Earth science reference table, which mineral scratches Dolomite and is scratched by olivine?
Potassium feldspar
The heat and pressure of regional metamorphism might affect a conglomerate layer by distorting or strething the pebbles. The resulting rock would be …
Metaconglomerate
Which intrusive igneous rock could be composed of approximately 60% pyroxene, 25% plagioclase feldspar, 10% olivine, and 5% amphibole?
Gabbro
Dolostone is classified as which type of rock?
Chemically formed sedimentary rock
The luster of the mineral tested in the given diagram could be determined by
Observing how light reflects from the surface of the mineral