Igneous Rocks
How do igneous rocks form?
The cooling and solidification of magma/lava
What is a metamorphic rock?
a rock that formed from preexisting rocks due to a change in temperature and pressure.
sedimentary rocks turns into what kind of rock through the process of burial and heating?
metamorphic rock
when do deltas form?
when stream enters an ocean or lake
What is halite?
table salt
These rocks are formed underneath the Earth's surface
intrusive
What is a Protolith?
original rock from which a metamorphic rock was formed.
sandstone is an example of what class of sedimentary rock?
clastic
T/F Floods are only caused by naturally occurring factors
False
The lead in a pencil is what type of mineral?
graphite
The oceanic crust is primarily composed of igneous rocks with a ____ composition
Mafic
Limestone is the parent rock to what metamorphic rock?
Marble
transportation
the movement from one location to another of coasts from one location to another by wind, water, or ice
T/F all waterfalls eventually disappear because headward erosion slowly eats back the resistant ledge.
True
What are the two major categories of luster? hint: diagnostic properties
metallic and non-metallic
a fine-grained Igneous rock
Aphanitic
Is Quartzite’s texture Non-Foliated or Foliated?
Non-Foliated
name 3/5 of the characteristics for describing clastic sedimentary rocks
clast size, clast composition, angularity and sphericity, sorting, character of cement
The land area contributing water to stream is called _______.
drainage basin
The standard scale to measure the hardness of a mineral is called...
Mohs Hardness Scale
What is the name given to an igneous rock with felsic composition and fine grained extrusive texture?
Rhyolite
What is the Protolith/Parent rock of Phyllite?
Slate
name the four classes of sedimentary rocks
clastic, biochemical, organic, chemical
what are the three steps for precipitation to become water in streams?
sheetflow, rills, streamflow
What mineral makes up ~95% of the continental crust?