[DOC] [TLE] Metamorphic Rocks Lesson #14 | Volcano World | Oregon State ... [PAR] Rocks are formed on Earth as igneous, sedimentary, or metamorphic rocks. ... 
rocks form from heat and pressure changing the original or parent rock into a ... 
how the rocks on Earth have been changed continually over time from one rock 
type ... Metamorphic rocks are divided into two categories- Foliates and Non-
foliates. [DOC] [TLE] How are metamorphic rocks classified? | Reference.com [PAR] Metamorphic rocks are primarily classified according to mineral composition and 
texture, similar ... However, the forces that form metamorphic rocks, namely 
pressure, heat and ... substances depending on the conditions under which they 
were formed. In general, the texture of metamorphic rocks is divided into two 
groups:... [DOC] [TLE] Metamorphic Rocks - Tulane University [PAR] Sep 17, 2015 ... Protolith can be any type of rock and sometimes the changes in texture ... Rocks 
can be subjected to these higher temperatures and pressures as they become 
buried ... burial, tectonic stress, heating by magma or interactions with fluids. ... 
chemical reactions that involve changing a solid mineral into a new... [DOC] [TLE] The types of rock: igneous, metarmorphic and sedimentary [PAR] Jan 12, 2015 ... The three main types of geological rocks are described. ... Sedimentary; they are 
formed through the solidification of sediment. ... As you probably know, when 
magma cools, it turns into rock; if it cools in the ... They were either sedimentary or 
igneous (or even metamorphic), and they changed so much, that... [DOC] [TLE] The Rock Cycle - Rocks for Kids [PAR] Rocks are divided into 3 Types. They are classified by how they were formed: 
IGNEOUS, SEDIMENTARY and ... it is called obsidian, lava rock or pumice - 
depending on what it looks like. ... It forms when lava cools quickly on the surface. 
... Over many years, layers of different rock bits settle at the bottom of lakes and 
oceans. [DOC] [TLE] Page 1 Understanding Rock /eug to- Zeaw y The Earth's crust is ... [PAR] composition metamorphic rock ... describe two ways they are have existed. ... 
Describe how each type of rock spear points, knives, and scrapers by ... changes 
into another as it flint, chert, and obsidian rocks. ... record of what the Earth and 
other planets were like before Some meteorites are .... divided into smaller 
groups. [DOC] [TLE] Rock (geology) - Wikipedia [PAR] In geology, rock or stone is a naturally occurring solid aggregate of one or more 
minerals or ... Igneous rocks are divided into two main categories: plutonic rock 
and volcanic. ... and the temperature and pressure conditions in which they were 
formed. ... Metamorphic rocks are formed by subjecting any rock type
sedimentary... [DOC] [TLE] Metamorphic rock - Wikipedia [PAR] Metamorphic rocks arise from the transformation of existing rock types, in a 
process called ... They are also formed when rock is heated up by the intrusion of 
hot molten ... into larger crystals in the metamorphic rock marble, or in 
metamorphosed ... Where a rock has been subject to differential stress, the type 
of foliation that... [DOC] [TLE] Metamorphic Rocks | Pictures of Foliated and Non-Foliated Types [PAR] There are two basic types of metamorphic rocks. Foliated metamorphic rocks 
such as gneiss, phyllite, schist, and slate have a ... Hornfels is a rock that was "
baked" while near a heat source such as a magma chamber, sill, or dike. ... It 
often contains significant amounts of mica which allow the rock to split into thin 
pieces. [DOC] [TLE] CHAPTER 8 (Metamorphic Rocks) [PAR] Diagenesis grades into burial metamorphism, a relatively mild type of 
metamorphism ... from the heat and pressure exerted by overlying sediments and 
sedimentary rocks. ... 2. Metamorphic rocks formed under the lowest 
metamorphic temperatures and ... 2. Metamorphic Rocks can be divided into two 
groups based on their... [DOC] [TLE] Field Biology Chapter Three Summaries - Sonoma State University [PAR] The two most common types of igneous rocks are granite and basalt. ... They are 
carried into larger bodies of water, where they

Question: Metamorphic rocks are divided into 2 main types depending on how they were formed: by heat or by this
Answer: pressure