Term
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Definition
| Inorganic evaporitic sedimentary rock |
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Term
| The fossil organism pictured above has a coiled, without translation, and a complex structure |
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Definition
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Term
| Eolian sedimentary environments are chracterized by the action of |
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Definition
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Term
| The fossil organism pictured has a coiled shell with out translation and a simple structure |
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Definition
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Term
| "The present is the key to the past" is an adage that represents the theory of slow continuous geologic change called |
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Definition
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Term
| Which of the following condition is not conductive to fossilization |
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Definition
| Exposure at the surface for an extenede perioud before burial |
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Term
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Definition
| 4.5-4.6 billion years old |
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Term
| Which of the following detrital sedimentary rocks is most likely to exhibit fine laminations |
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Definition
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Term
| Which of the following detrital sedimentary rocks is most likely to exhibit fine laminations |
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Definition
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Term
| The diagnostic difference between conflomerate and sedimentary breccia is |
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Definition
| Breccia has angular clasts; conglomerate has rounded clasts |
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Term
| Fossils of which of these organisms exhibit 5 fold symmetry |
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Definition
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Term
| The 2 fundamental types of weathering that breakdown rocks are |
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Definition
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Term
| The preservation of large volumes of plant matter occurs in which sedimentary environment |
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Definition
| Transitional lagoon and back bay environments |
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Term
| Limestone, a widely used monument and building stone, slowly dissolves in weakly acidic waters |
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Definition
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Term
| The decay rate (half life) of a radioactive isotpe changes depending on how many half lives have occured |
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Definition
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Term
| All detrital sedimentary rocks have clastic textures |
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Definition
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Term
| Which of the following would not be considered a trace fossil |
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Definition
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Term
| Tributary channel systems are characteristic of which sedimentary environment |
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Definition
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Term
| The physical, chemical, and biological changes that take place in sediments after deposition are called |
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Definition
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Term
| Iron oxides account for nearly all red, yellow, and brown coloration in soils and sedimentary rocks |
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Definition
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Term
| The fossilized layered and mounded structures built by colonies of cyanobacteria are called |
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Definition
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Term
Earliest evidence of life on earth
Proterozoic Eon to present day
Cyano bacteria |
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Definition
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Term
Earliest multi cellular life forms that were fossilized
Precambrian time
Soft bodied
Preserved as molds |
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Definition
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Term
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Definition
Transition from Proterozoic to Phanerozoic Eon
Abundance of macrofossils
Hard bodied organisms |
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Term
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Definition
Arthropoda phylum
Insects, arachnids, crustaceans
Early eskoskeletal organisms
Diverse
"The" fosssil of the Paleozoic Era
Lower Cambrian to upper permian |
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Term
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Definition
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Term
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Definition
Bilaterally symmetric bivalves
Lower Cambrian to recent |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Gastropoda
Cephalopodia
Bivalvia |
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Term
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Definition
Ordovican to recent
Symmetric valves
clams, oysters, mussles |
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Term
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Definition
Coiled shell WITHOUT translation
COMPLEX structure |
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Term
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Definition
Coiled shell WITHOUT translation
SIMPLE structure
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Term
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Definition
Echinoidea- starfish, brittle stars, sand dollars, sea urchins
Crinoidea- sea lillies
FIVE FOLD SYMMETRY |
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Term
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Definition
Corals
Tabulata
Rugosa
Scleractinia |
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