What determines the physical
properties of a mineral?
The internal arrangement of atoms
Name a fine grained igneous rock containing amphibole, plagioclase, and pyroxine.
Basalt
How are land-derived sedimentary rocks classified?
(Aka ______)
By particle (grain) size
In order for metamorphic rock to form, the parent rock must be subjected to.....
Heat and/or Pressure
What kind of rock is produced if quartz sandstone is subjected to long periods of heat and/or pressure?
Quartzite
This term describes the way a minerals break with no pattern.
Fracture
A non-vesicular igneous rock with glassy texture and which contains potassium feldspar is
Obsidian
What three processes must occur in order for loose sediment to be made into sedimentary rock?
Burial – Compaction & Cementation
Metamorphic rocks may appear to have crystal layers. This property is called
Foliation
What kind of rock is produced when an igneous rock is melted and then cools and solidifies?
Igneous
What kind/name of minerals bubble when they contact acid?
Carbonates/ Calcite
Name a high density, MAFIC, intrusive igneous rock.
Gabbro
Name the land-derived sedimentary rock which is formed by angular fragments the size of pebbles or larger.
Breccia
Name a fine to medium grained, foliated metamorphic rock which contains mica, amphibole, and pyroxene.
Schist
Name a rock that may be produced when a sea evaporates.
Rock salt, Rock gypsum, or Dolostone
The tendency of some minerals to break along straight lines forming flat surfaces is called?
Cleavage
This igneous rock is light colored, and has grain that are 10mm or larger.
Pegmatite
In what kind of environment do rock salt, rock gypsum, and dolostone form?
In a marine (ocean) environment
Which metamorphic rock shows banding?
Gneiss
Starting at the top, what kinds of rocks are represented by the diagram?
Sandstone, Shale, and Limestone
Identify the structure shown in the diagram AND tell what class of minerals it forms.
Silicon-Oxygen Tetrahedron.
Forms SILICATES
The size of the crystals found in an igneous rock is determined by its........
Rate of cooling
(how fast or slow it cooled down)
Name a sedimentary rock, formed from organic material, which would bubble if placed in acid.
Limestone
What kind of rock is produced by the regional metamorphism of dolostone?
Marble
What property of a rock is illustrated by the diagram?
Cleavage