foliated. ... What is a type of metamorphic rock that has parallel layers? Foliated
rock has parallel layers. .... What rock has parallel bands of dark and light mineral
If there are a lot of pebbles mixed with the sand, it is called gravel. .... The rock
has crystals, layers that look like ribbons or bands of minerals running through it,
and is kind ... Is the rock mostly light or medium gray, not very dark gray or black?
This layer of rock extends down to 40 miles from the surface of the earth. ... The
lava has cooled and is now a volcanic rock called basalt. .... Some minerals
sparkle in the light while others are dull and boring! ... If the mineral shows a
scratch mark from one of the testing materials the mineral is said to be less hard
than the ...
The images are classified according to rock type (sedimentary, igneous, ...
Sandstone In this outcrop you see a sequence of sandstone layers. .... They have
been tightly folded, and you can see that the rock has behaved as if it was quite
soft, like putty. ... The light streaks are feldspar and quartz, the dark bands are
mica and ...
Distinguish between foliated and non-foliated metamorphic rocks. • Distinguish
between ... and the formation of bands or layers of like minerals. METAMORPHIC
The light and dark bands (gneissic banding) are alternations of felsic vs. mafic
layers. Slate is a product of low grade metamorphism (not terribly great burial ...
The printed exercises has several repetitions so that the teacher can copy and ...
If the minerals in the rock have cleavage, they will give a bright, flat reflection of
.... bands, Light and dark Phaneritic minerals in light and dark bands or layers.
www.kean.edu/~csmart/Petrology/Lectures/Ch 21 22 Intro Metam and Classif mod 8.ppt
Metamorphism is the transformation of rock by temperature and pressure ...
Increasing temperature has several effects ... If the minerals are flat, such as
sheet-like Micas, their parallel orientation gives a layered look; layering unrelated
to the .... Composed of light-colored feldspar layers with bands of dark mafic
Foliated metamorphic rocks are formed within the Earth's interior under ... slightly
more crystallized which gives the rock a shiny appearance; layers may also ...
and pressures; coarse grained texture of alternating light and dark mineral bands
3- Foliation – The alignment of platy minerals or alternating layers of light (felsic)
and dark ... has properties of both a gas and a liquid. Supercritical ... minerals
align or alternating light and dark layers form, giving the rock a ... Distinguished
based on composition, but may be foliated if subjected to ... form compositional