U11 Rocks

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Contents ,[object Object],[object Object],[object Object],Sedimentary rocks Characteristics Formation Classification Fossils Igneous rocks Formation Classification Metamorphic rocks Formation Classification The Rock Cycle Processes HOME HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

Resources HOME What are rocks? What are sedimentary rocks like? How are sedimentary rocks formed? How are sedimentary rocks classified? Fossils How are igneous rocks formed? How are igneous rocks classified? How are metamorphic rocks classified? How are metamorphic rocks formed? The Rock Cycle How are rocks used? HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK Animation: Rock formation Interactive activity: Identifying rocks Links

How are rocks used? Construction materials Monuments marble Containers Fuels Chemical industry plastics oil clay concrete, metal, glass cement, gypsum, plaster, ceramics granite blocks granite and sandstone blocks HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

What are rocks? different mineral grains granite Some rocks are made up of one mineral: monomineralic rocks. quartz crystals (mineral) quartzite ,[object Object],[object Object],[object Object],[object Object],Most rocks are made up of more than one mineral. SEE MORE MONOMINERALIC ROCKS HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

What are rocks? different minerals joined together granite quartzite Most rocks are made up of more than one mineral. ,[object Object],[object Object],[object Object],[object Object],Monomineralic rocks Mineral Rock gypsum gypsum halite rock salt calcite limestone HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK

What are sedimentary rocks like? Mountain slopes and cliffs HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK ENLARGE IMAGE

What are sedimentary rocks like? stratum Mountain slopes and cliffs HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK ENLARGE IMAGE ENLARGE IMAGE GO BACK

What are sedimentary rocks like? Mountain slopes and cliffs Types of sedimentary rocks Detrital Chemical - Limestone Chemical - Evaporitic Organic ENLARGE IMAGE HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK

Animation: Rock formation HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are sedimentary rocks formed? FORMATION OF EVAPORITIC SEDIMENTARY ROCKS HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK FORMATION OF DETRITAL SEDIMENTARY ROCKS FORMATION OF LIMESTONE SEDIMENTARY ROCKS FORMATION OF ORGANIC SEDIMENTARY ROCKS

How are detrital sedimentary rocks formed? strata formation compaction cementation Detrital sedimentary rocks accumulation of sediments sedimentary basin eroded rock fragments GO BACK HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are limestone sedimentary rocks formed? calcium carbonate deposits accumulation of shells and skeletons of living things HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK ENLARGE IMAGE ENLARGE IMAGE

How are limestone sedimentary rocks formed? stalactites accumulation of shells and skeletons of living things HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK ENLARGE IMAGE ENLARGE IMAGE

How are limestone sedimentary rocks formed? calcium carbonate deposits fossil in limestone HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK ENLARGE IMAGE ENLARGE IMAGE

How are evaporitic rocks formed? Hot, dry climates Marshes and coastal lagoons evaporation accumulation of halite crystals rock salt accumulation of gypsum (mineral) crystals gypsum precipitation HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK

How are organic sedimentary rocks formed? industrial production terrestrial vegetation marine plant and animal remains OIL holm-oak wood 300 million years ago COAL HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK

Fossils Remains and imprints of living things Dactyloceras Trilobite Priscacara Ophiopetra Carya leaves Archaeopteryx Ammonite Fern HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are sedimentary rocks classified? Chemical - evaporitic gypsum ,[object Object],[object Object],[object Object],rock salt ,[object Object],Organic coal ,[object Object],[object Object],oil ,[object Object],Detrital conglomerate ,[object Object],[object Object],[object Object],sandstone clay ,[object Object],[object Object],[object Object],[object Object],[object Object],Chemical - limestone bioclastic ,[object Object],[object Object],travertine calcareous tuft ,[object Object],[object Object],[object Object],[object Object],[object Object],HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are igneous rocks formed? MAGMA lava mixture of melted rock and gases HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK ENLARGE IMAGE ENLARGE IMAGE

How are igneous rocks formed? MAGMA lava mixture of melted rock and gases Volcanic rocks HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK ENLARGE IMAGE

How are igneous rocks formed? MAGMA lava mixture of melted rock and gases Plutonic rocks HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO BACK ENLARGE IMAGE

How are igneous rocks classified? Plutonic (intrusive) granite ,[object Object],[object Object],[object Object],syenite pegmatite ,[object Object],[object Object],[object Object],[object Object],[object Object],Volcanic (extrusive) basalt ,[object Object],[object Object],[object Object],pumice obsidian ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are metamorphic rocks formed? Rocks undergo intense heat and pressure. Foliated Non-foliated Metamorphism Metamorphic rocks HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

How are metamorphic rocks classified? Foliated (laminated) slate ,[object Object],[object Object],[object Object],schist gneiss ,[object Object],[object Object],[object Object],[object Object],Non-foliated (crystalline) marble ,[object Object],[object Object],quartzite ,[object Object],[object Object],HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

The Rock Cycle intense pressure + high temperature high temperature land surface sinks ACCUMULATION OF LAYERS OF SEDIMENTS Water filters into cracks, freezes, and breaks up the rock. Sedimentary rocks Metamorphic rocks METAMORPHISM MELTING volcanic activity Igneous rocks Erosion and transport reduce rock size. HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

Interactive activity: Identifying rocks HOME HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK

Links HOME HOME RESOURCES ACTIVITY LINKS CONTENTS CLOSE BACK GO TO WEBSITE Compare rock types GO TO WEBSITE Interactive rock cycle

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