Geology Flashcards
World’s Hardest Mineral
Diamond
Diamond Material
Carbon
Green Beryl Gem
Emerald
“Mutton Fat” nephrite
Jade (often it’s green, not always)
Types of Rock
Igneous, metamorphic, sedimentary
Igneous - Obsidian (volcanic glass), granite, basalt, and andesite porphyry
Metamorphic - slate, marble, schist, and quartzite
Sedimentary - limestone, a sedimentary rock, that was a coral reef
Yellow or Golden Gem
Topaz
Purple Quartz
Amethyst
Gem Named after a Tsarina
Alexandrite
Gem Found in Tanzania
Tanzanite
Green Chalcedony spotted with red Jasper
Bloodstone
Reddish-Brown Gem
Garnet
Black Organic Gem
Jet
Opaque Blue or Azure Gemstone (sometimes flecked)
Lapis Lazuli
Often Blue Corundum
Sapphire - 9 on the Mohs scale (the third hardest mineral, right behind diamond
Red Corundum
Ruby
Kashmire Blue Type of Gem
Sapphire
Star of Indian Type of Gem
Ruby
95.5 Carat Diamond in the Smithsonian
Hope Diamond
Largest Gem Quality Diamond
Golden Jubilee Diamond (546 Carats)
Largest Rough Diamond Ever Discovered
Cullinan Diamond (3,107 carats)
Diamond in Titanic
Heart of the Ocean
Carat
a unit of mass for gemstones, equal to 0.2 gram
Carat (purity) or karat, a unit of purity for gold
January
Garnet
February
Amethyst
March
Aquamarine
April
Diamond
May
Emerald
June
Pearl
July
Ruby
August
Peridot
September
Sapphire
October
Opal
November
Topaz
December
Turquoise
Study of Earth’s Physical Properties
Geophysics
Study of the Motion of Earth’s Plate
Tectonics
Study of Rocks
Petrology
Earth’s Age
4.5 Billion years
Earth’s Outer Layer
Crust
Earth’s Laywer below the crust
Mantle
Current Geologic Period
Quaternary
Current Geologic Epoch
Holocene
Current Geologic Era
Cenozoic (Recent Life)
Middle Geologic Era
Mesozoic (Middle Life)
Early Geologic Era
Paleozoic (Ancient life)
Ancient Super Continent, 240 Million Years Ago
Pangaea
Northern SuperContinent, 120 Million Years Ago
Laurasia
Southern Super Continent, 120 Million Years Ago
Gondwana
Earth’s Energy
Geothermal
Ocean Surrounded by Volcanic “Ring of Fire”
Pacific
Large Volcanic Crater
Caldera
Scale Measuring Earthquake Intensity
RIchter Scale
Tidal Wave Caused by an Earthquake
Tsunami
Fool’s Gold
IRon Pyrite
Uranium and Radium Ore
Pitchblende
Aluminum Ore
Bauxite
Murcury Ore
Cinnabar
Copper Ore
Cuprite
Lead ore
Galena
Hard Carbon
Diamond
Soft Carbon
Graphite
Hard Coal
Anthracite
Soft Coal
Bituminous
Brown Coal
Lignite
Deep Black Ignite
Jef
Dense Rock Formed from Cooling Lava
Basalt
Glass Formed from Cooling Lava
Obsidian
Earth’s Crust most abundant rock
Igneous
Most Common Ignous Rock
Graphite
Soft Igneous Rock
Pumice
Shale Rock Type
Sedimentary
Translucent Gypsum
Alabaster
Cave Ceiling Fixtures
Stalactites
Cave Floor Fixtures
Stalagmites
Scale Measuring Mineral Hardness
Mohs Scale
Diamond Rating on Mohs Scale
Ten
Ruby Rating on Mohs
9
Talc Rating on Mohs Scale
1
Large California Fault Line
San Andreas Fault
Large East Africa Fault Line
Great Rift Valley