THE THREE TYPES OF THE THREE TYPES OF ROCKS!! ROCKS!!

BY:ESTEFANIA, JASMINE AND BY:ESTEFANIA, JASMINE AND ATHENAATHENA

IGNEOUS !!!IGNEOUS !!!

Igneous rock are formed under or above ground Igneous rock are formed under or above ground an also formed when volcanoes erupt causing the an also formed when volcanoes erupt causing the magma to rise above the surface.magma to rise above the surface.

usually small, large mineral crystal sometimes us usually small, large mineral crystal sometimes us to make concert has a lot of air space is very to make concert has a lot of air space is very lisutis all so called volcanic gas.lisutis all so called volcanic gas.

Examples of rocks: granite, scoria, arming, and Examples of rocks: granite, scoria, arming, and obsidian obsidian

METOMORFIC!!METOMORFIC!!

The rocks were once igneous or The rocks were once igneous or sedimentary rock and they are under tons sedimentary rock and they are under tons and tons of pressure with fosters heat build and tons of pressure with fosters heat build up up

Rock that has undergone change by heat Rock that has undergone change by heat pressure or fluids.pressure or fluids.

Schist gneissSchist gneiss

SEDIMERTARY!!SEDIMERTARY!!

Four thousands even millions ,of years little Four thousands even millions ,of years little pieces of our earth have been eroded pieces of our earth have been eroded broken down and worn away by wind and broken down and worn away by wind and water water

Sedimentary the term for rocks formed from Sedimentary the term for rocks formed from pre existing rock particles which become pre existing rock particles which become lithitel. lithitel.

Sandstone ;limestone, shale Sandstone ;limestone, shale conglomerate ,gypsum conglomerate ,gypsum

Our rock !!!Our rock !!!

We have come to a conclusion that our rock is We have come to a conclusion that our rock is a igneous rock because it has lots of a igneous rock because it has lots of crystals its looks like a obsidian rock and it crystals its looks like a obsidian rock and it has little sharp points.has little sharp points.