Minerals
Which property of the mineral diamond allows diamond powder to be used to shape gems for jewelry?
Hardness
Which relative concentration of elements is found in a mafic rock?
A high concentration Iron and Magnesium and a low concentration of Aluminum and Silicon.
Which kind of sedimentary rock may be formed both chemically and organically?
Limestone
Slate is formed by..
the metamorphism of shale
Rocks can be classified as sedimentary, igneous, or metamorphic based primarily upon differences in their...
Origin
Which mineral leaves a white-yellow powder when rubbed against an unglazed porcelain plate? This mineral is also known as __________.
Sulfur
Rock 1 is a dark-colored crystalline rock that formed when a lava flow cooled and solidified quickly on the surface of Earth. Rock 1 is classified as...
Intrusive/Extrusive ________ texture _________ composition
Extrusive
Fine texture
Mafic composition
Which sedimentary rock is formed by the compaction and cementation of sorted sediments 0.05 centimeters in diameter?
Sandstone
Which rock is foliated, shows mineral alignment but not banding, and contains medium-sized grains of quartz and pyroxene?
Sedimentary rock turns into Metamorphic rock through which process?
Heat and pressure
How can we differentiate between minerals?
Acid test
Which three minerals are most commonly found in the igneous rock pegmatite?
Plagioclase feldspar, potassium feldspar, and quartz.
How are clastic sedimentary rocks classified?
Grain size.
Where is metamorphic rock frequently found?
along the interface between igneous intrusions and sedimentary bedrock
Which rock type is characterized by having large or small crystals?
Igneous
Which property of a mineral most directly results from the internal arrangement of atoms?
breakage pattern
An extrusive, fine grained, non- vesicular igneous rock with a mineral composition of 35% quartz, 35% potassium feldspar, 15% plagioclase feldspar, 10% biotite, and 5% amphibole is called______.
Rhyolite
Rock gypsum is a _________sedimentary rock, composed of _________, formed from __________&___________
Rock gypsum is a crystalline sedimentary rock, composed of gypsum, formed from evaporites & precipitates.
Which processes change sedimentary rocks into metamorphic rocks?
Temperature and pressure changes.
Sedimentary Rock turns into magma through which process?
Melting
Which property was used to classify these minerals?
group 1: olivine, garnet, calcite.
group 2: pyrite, galena, graphite
Luster
What are the key features of an igneous rock?
Glassy texture, interlocking crystals, vesicular (gas pockets)
Which rock(s) would react to acid? Why?
Limestone because it contains calcite or Dolostone because is contains dolomite.
How do the metamorphic rocks schist and quartzite differ?
Schist is foliated and quartzite is not.
Igneous Rock turns into sediment through which process?
Weathering and erosion