eas UNIT 2 (2.1-2)

STREAK

STREAK

IS THE COLOR WHICH THE MINERAL DISPLAY WHEN IT HAS BEEN IN ITS POWDERED FORM.

COLOR

S THE VISUAL PERCEPTUAL PROPERTY CORRESPONDING IN HUMANS.

MAGMA

IS A MIXTURE OF MOLTEN ROCKS AND PRIMARILY ELEMENTS ARE SILICON, OXYGEN, ALUMINUM, IRON CALCIUM, SODIUM, POTASSIUM AND MAGNESIUM.

SPECIFIC GRAVITY

REFERS TO THE RATIO OF THE WEIGHT OF A MINERAL TO THE WEIGHT OF AN EQUAL WATER.

DUCTILITY

ABILITY OF MINERALS TO BE DRAWN INTO FINE WIRES.

ORE

REFERS TO THE TYPE OF ROCK THAT CONTAINS USEFUL METALLIC MINERALS LIKE HEMATITE (MINED FOR IRON) AND GALENA (MINED FOR LEAD), THAT CAN BE MINED FOR A PROFIT.

CLEAVAGE

IS THE SPLITTING OF CRYSTALS ALONG THE SMOOTH PLANE.

ANDESITIC

A MEDIUM LEVEL OF SILICA CONTENT, INTERMEDIATE VISCOSITY.

ELECTRICAL PROPERTY

SOME MINERALS BECOME ELECTRICALLY CHARGED WHEN RUBBED LIKE SULFUR OR WHEN SUBJECTED TO PRESSURE LIKE QUARTZ, OR WHEN HEATED THE OPPOSITE ENDS BECOME ELECTRICALLY CHARGED LIKE TOURMALINE.

MAGNETISM

ABILITY TO ATTRACT OTHER MINERALS.

RADIOACTIVE

ABILITY OF SOME MINERALS TO EMIT RADIATION.

SEDIMENTS

________- SMALL PARTICLES OF ROCKS FROM THE WEATHERING ARE CALLED.

HARDNESS

IS THE RESISTANCE OF THE MINERAL FROM BEING SCRATCHED.

MALLEABILITY

ABILITY OF MINERALS TO BE HAMMERED INTO DESIRED SHAPES.

LUSTER

REFERS TO THE QUANTITY AND QUALITY OF LIGHT WHICH IS REFLECTED FROM THE SURFACE OF THE MINERAL.

FRACTURE

TAKES PLACE WHEN A MINERAL SPLITS IN A DIRECTION POSSESSING DIFFICULT INDISTINCT CLEAVAGE.

IRREGULAR FRACTURE

RESULTS IN A RUGGED OR ROUGH SURFACE.

SEDIMENTARY ROCKS

FORMED FROM SMALL PARTICLES OF ROCKS THAT HAVE BEEN LITHIFIED.

CLEAVAGE

IS THE NATURAL TENDENCY OF MINERALS TO BREAK ALONG DEFINITE SEAMS OF WEAK BONDING.

MINERALS

Building Blocks of Rocks, Occur Naturally, Inorganic, Internal Structure is in Orderly Pattern, Definite Chemical Composition

CRYSTAL GROWTH

IT DESCRIBES THE GROWTH PATTERN OF THE CRYSTALS OF THE MINERAL

LUSTER

REFERS TO THE QUANTITY AND QUALITY OF LIGHT WHICH IS REFLECTED FROM THE SURFACE OF THE MINERAL

METALLIC LUSTER

ARE MINERALS THAT "SHINE" WHEN EXPOSED TO LIGHT

NON METALLIC LUSTER

ARE PEARLY, SILKY, VITREOUS AND RESINOUS

SUBMETALLIC LUSTER

ARE MINERALS THAT HAS SOMEWHAT METALLIC LUSTER

COLOR

IS THE VISUAL PERCEPTUAL PROPERTY CORRESPONDING IN HUMANS

STREAK

IS THE COLOR WHICH THE MINERAL DISPLAY WHEN IT HAS BEEN IN ITS POWDERED FORM

HARDNESS

IS THE RESISTANCE OF THE MINERAL FROM BEING SCRATCHED

FRIEDRICH MOHS

INVENTED MOHS SCALE

CLEAVAGE

IS THE SPLITTING OF CRYSTALS ALONG THE SMOOTH PLANE

FRACTURE

TAKES PLACE WHEN A MINERAL SPLITS IN A DIRECTION POSSESSING DIFFICULT INDISTINCT CLEAVAGE

CONCHOIDAL FRACTURE

RESULTS IN A SERIES OF SMOOTHLY CURVED CONCENTRIC RINGS ABOUT THE STRESSED POINT, GENERATING A SHELLLIKE APPEARANCE

IRREGULAR FRACTURE

RESULTS IN A RUGGED OR ROUGH SURFACE

SPECIFIC GRAVITY

REFERS TO THE RATIO OF THE WEIGHT OF A MINERAL TO THE WEIGHT OF AN EQUAL WATER

MAGNETISM

ABILITY TO ATTRACT OTHER MINERALS

ELECTRICAL PROPERTY

SOME MINERALS BECOME ELECTRICALLY CHARGED WHEN RUBBED LIKE SULFUR OR WHEN SUBJECTED TO PRESSURE LIKE QUARTZ, OR WHEN HEATED THE OPPOSITE ENDS BECOME ELECTRICALLY CHARGED LIKE TOURMALINE

MALLEABILITY

ABILITY OF MINERALS TO BE HAMMERED INTO DESIRED SHAPES

DUCTILITY

ABILITY OF MINERALS TO BE DRAWN INTO FINE WIRES

RADIOACTIVE

ABILITY OF SOME MINERALS TO EMIT RADIATION

ORE

REFERS TO THE TYPE OF ROCK THAT CONTAINS USEFUL METALLIC MINERALS LIKE HEMATITE (MINED FOR IRON) AND GALENA (MINED FOR LEAD), THAT CAN BE MINED FOR A PROFIT

ROCKS

HARD AND SOLID EARTHS MATERIAL THAT MAINTAIN THE SHAPE OF THE EARTH

IGNEOUS ROCKS

FORMS FROM MAGMA/LAVA THAT COOLS AND SOLIDIFIES

INTRUSIVE IGNEOUS ROCKS OR PLUTONIC ROCKS

FORMS WHEN MAGMA COOLS SLOWLY BELOW THE EARTH'S SURFACE

EXTRUSIVE IGNEOUS ROCKS OR VOLCANIC ROCKS

FORMS WHEN MAGMA REACHES THE EARTH'S SURFACE A VOLCANO AND COOLS QUICKLY

MAGMA

IS A MIXTURE OF MOLTEN ROCKS AND PRIMARILY ELEMENTS ARE SILICON,OXYGEN, ALUMINUM, IRON CALCIUM, SODIUM, POTASSIUM AND MAGNESIUM

ANDESITIC

A MEDIUM LEVEL OF SILICA CONTENT, INTERMEDIATE VISCOSITY

RHYOLITIC

HIGH SILICA CONTENT, HIGH VISCOSITY

SEDIMENTARY ROCKS

FORMED FROM SMALL PARTICLES OF ROCKS THAT HAVE BEEN LITHIFIED

WEATHERING

THE PHYSICAL AND CHEMICAL BREAKDOWN OF ROCKS

SEDIMENTS

SMALL PARTICLES OF ROCKS FROM THE WEATHERING ARE CALLED

DETRITUS/DETRITAL SEDIMENTARY ROCKS

IS PARTICLES OF ROCK DERIVED FROM PRE-EXISTING ROCK THROUGH PROCESSES OF WEATHERING AND EROSION

CHEMICAL SEDIMENTARY ROCKS

FORM BY PRECIPITATION OF MINERALS FROM WATER

METAMORPHIC ROCKS

ROCKS THAT CHEMICALLY CHANGED IN FORM, STRUCTURE AND COMPOSITIONUNDER THE PROCESS OF METAMORPHISM

CONTACT METAMORPHISM

WHEN MAGMA INTRUDES INTO EXISTING ROCKS

REGIONAL METAMORPHISM

FORMED DURING MOUNTAIN BUILDING PROCESS THAT OCCURS OVER A LARGE AREA

PETROLOGIC CYCLE

TYPE OF ROCK CHANGING INTO ANOTHER TYPE OF ROCK