Metamorphic rocks arise from the transformation of existing rock types, in a
process called ... They may be formed simply by being deep beneath the Earth's
surface, ... For example, slate is a f...
As the rate of cooling increases, the size of the crystals that form ______. back 4
... The common rock produced by the metamorphism of limestone is ______. ...
What type of metamorphic rock will shale normally become following low-grade ...
Oct 4, 2016 ... High-grade metamorphism would noticeably change the ... What type of
metamorphic rock will shale normally become following low grade ...
Sep 17, 2015 ... Protolith can be any type of rock and sometimes the changes in ... Examples of
hydrous minerals that occur in low grade metamorphic rocks: ... As grade of
metamorphism increases, hydrous minerals become ... a follow a reverse path
and eventually return the rocks to their original unmetamorphosed state.
Contact Metamorphism is a local type of metamorphism that develops at the "
contact" of ... This growth results in all the micas being oriented parallel to each
other, ... Such a low-grade metamorphic rock exhibiting a foliation, but with
minerals too ... include the following: biotite schist, garnet-staurolite schist,
Nevertheless, the effects of metamorphism can be dramatic and ... nothing was
preserved of the original texture following metamorphism. ... type of contact
metamorphic rock is hornfels which is a pretty non-descript gray-black rock ... The
lowest grade of foliated metamorphic rocks are called ... inherited from the parent
The first thing to notice when you look at a metamorphic rock is its texture. ... and
this usually depends on the type of rock it originally formed from (called the
protolith). ... A product of low-grade metamorphism of shale or mudstone. ... (what
type of rock it was prior to being metamorphosed), Shale or Mudstone, Slate,
Intrusive igneous rocks form where magma bodies cool at depths of several ... to
depths in excess of several hundreds of metres, and most metamorphic ... been
eroded away and the rock is exposed as outcrop, weathering can begin .....
following table. .... eventually the shale will grade into limestone (at tropical
It has a greater number of potential uses than almost any other rock type. ...
Marble is a metamorphic rock that forms when limestone is subjected to the heat
and ... As metamorphism progresses, the crystals grow larger and become easily
... Marble that has been exposed to low levels of metamorphism will have very
The metamorphic rock we call "marble," for example, is simply recrystallized ....
and we'll see some examples of this after the video when we look at some of ... of
metamorphism that form at high temperatures but relatively low pressures, .....
that shale is actually a sedimentary rock, and slate is a low grade metamorphic...