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INTRODUCTION
DEFINITION
PETROLOGY is the science of studying the earth rock skin,
which covers about the occurrence, komposisisi, rock
classification and relationship with the processes and how
the occurrence.
Stone
all the materials composing the earth crust and is an
aggregate (collection) minerals which crystallize already.
NOT INCLUDING Stone is dust and other loose material that
is a result of chemical weathering and mechanical erosion
and other processes.
ROCKS can be grouped into
THREE TYPES
► 1.
Igeneous rock
2. sedimentary Rock
3. METHAMORFIC ROCK
1. IGNEOUS ROCK
► set
of interlocking aggregate magma silicate
minerals that results refrigerate (Walter T.
Huang, 1962)
2. SEDIMENTARY ROCK
rock material agregeate results litification rock
denudation results or results of chemical
reactions and the activities of organisms
(Pettijohn, 1964)
3. METAMORPHIC ROCK
► rock
that came from a source rock that
changes the texture and mineral
composition in the solid phase as a result of
changes in physical conditions (pressure,
temperature, or pressure and
temperature).
Rock Cycles (Sukendar Asikin, 1976)
Rock Cycles