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Geo 101
Lab exam 1
52
Geology
Undergraduate 2
05/30/2013

Additional Geology Flashcards

 


 

Cards

Term
Talc
Definition

Greasy, pearly, yellowish

Hardness = 1

Term
Gypsum
Definition

Dirty white, not clear, red spot, square

Hardness = like Talc

Cleavage = 1

Term
Calcite
Definition

Yellow glass

Reacts with HCl

Term
Fluorite
Definition

Apple green

Hardness = 4

Cleavage = 4

Term
Hematite
Definition

Blood color, dark red, scab color

Has iron

Term
Orthoclase
Definition

A feldspar

PINK

square-ish

2 planes at 90 degree angles

Shiny

Cleavage = 2

Term
Milky Quartz
Definition

Yellowish, Opaque, shinny

Hardness = 7

Pearly, greasy

Term
Galena
Definition

Heaviest, super shiny

Metallic

Lead

Cleavage = 3

Term
Chalcopyrite
Definition

Olive green

Metallic

Copper

Term
Muscovite
Definition

White

Cleavage = 1

Type of Mica

Term
Kaolinite
Definition

Chalky white 

does NOT react with HCl

Term
Augite
Definition

Light black, tad of green

Cleavage = 2

Term
Hornblende
Definition

Dark, jet black, shiny, flat

Cleavage = 2

Term
Goethite
Definition

Rusty, black and brown, pitted

Iron

Term
Biotite
Definition

Black

Type of Mica

Cleavage = 1

Term
Olivine
Definition

Olive green

Earthy

Term
Garnet
Definition

Shiny, dark red

Looks like gem

 

Term
Crystal Quartz
Definition

Looks like a crystal

Can see through most of it, some cloudy

Hardness = 7

Term
Halite
Definition

Glass-like

Broken

Salty

Cleavage = 3

Term
Plagioclase
Definition

Strange black/gray

navy bluish in shiny spots

PLAY of colors

Type of feldspar

Cleavage = 2

Term
Pyrite
Definition

Fools gold

Iron

Term
Graphite
Definition

Soft black, inky, slight metallic

Can write with it

Soft leaves black on hands/smudges

Cleavage = Basal

Term
Sphalerite
Definition

Smells bad, shiny, streaks yellow/brown

Mainly black

Iron 

Cleavage = 6

Term
Smokey Quartz
Definition

Opaque, dark grey, heavy

Hardness = 7

Term
Chalcedony
Definition

Light grey and brown

Cleavage = 2

Term
Magnetite
Definition

Black

Magnetic

Term
Granite Porphyry
Definition
More black, some pink
Term
Diorite
Definition

Dalmation, 1/2 and 1/2

Intermediate

Term
Granite
Definition

2 types

Black and white

Term
Obsidian
Definition
Shiniest black
Term
Rhyolite Porphyry
Definition

Red and tan

Fine grained

Term
Gabbro
Definition
Rocky black and has dents with brown pieces
Term
Vesicular basalt
Definition

Blackish heavy

Vesicular

Term
Pumice
Definition

A glass

Light, soft, grey

Vesicular

Foot scrub

Term
Basalt
Definition
Black, dull, not shiny, like magnetite color
Term
Rhyolite Porphyry
Definition
Tan, SMALL particles
Term
Scoria
Definition

Brownish/red

Always lighter than it looks

Vesicular

Term
Arkose
Definition

Immature

Reddish with small particles

Term
Gray sandstone
Definition

More tan/brown

Square and sandy

Term
Conglomerate
Definition

Mature

Larger rocks in it

Pebbles

Term
Shale
Definition
Thin, black
Term
Biuminous Coal
Definition

Jet black, shiny

Light weight

Term
Dense Dolostone
Definition

Dark black, blocky

Powder reacts with HCl

Term
Coquina
Definition

Small shells

Reacts with HCl

Granola

Term
Orthoquartzite sandstone
Definition

White/gray

Sandy 

Like gray sandstone

Term
Chert
Definition

Light gray, blocky

Sharp edges

Term
Fossiliferous Limestone
Definition

Has shells/fossils

Grey

Reacts with HCl

Term
Dense Limestone
Definition

Yellow/tan

Pits

Reacts to HCl

Term
Chalk
Definition

White

Reacts with HCl

Term
Rock Gypsum
Definition
Pink, greasy, soft
Term
Crystalline Dolostone
Definition

Light color

Crystal-ish

Term
Rock Salt
Definition

Crystal looking

Lighter than milky quartz

Looks like rock candy

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