Term
| products of mechanical and chemical weathering? |
|
Definition
|
|
Term
| sedimentary rocks compose of ___ of earths outer 10 miles. |
|
Definition
|
|
Term
| sedimentary rock contain evidence of ___ ___. |
|
Definition
|
|
Term
| sedimentary rock forms when Material from mechanical and chemical weathering is transported by___, ___ or ___. |
|
Definition
|
|
Term
| sedimentary rocks form Deposition as sediment meaning particles ___ out or minerals ___. |
|
Definition
|
|
Term
| sedimentary rock form when sediments are ___ and sediments are __ and __ into rock. this is called? |
|
Definition
| buried; compacted and cemented; Diagenesis/Lithification |
|
|
Term
| 3 types of sedimentary rock? |
|
Definition
| derital; chemical; organic |
|
|
Term
| compacted and cemented sediment? |
|
Definition
|
|
Term
| minerals precipitated from water? |
|
Definition
|
|
Term
| accumulated plant debris - coal? |
|
Definition
|
|
Term
| The chief constituents of detrital rocks include __ minerals, ___,___,___.Particle size is used to distinguish among the various rock types. |
|
Definition
| clay; quartz; feldspars; micas |
|
|
Term
| Detrital sedimentary rocks are classified according to___ ___. |
|
Definition
|
|
Term
| The most abundant sedimentary rock? |
|
Definition
|
|
Term
| Greater than ___ of sedimentary rocks are shale. |
|
Definition
|
|
Term
| clay sized grains - cannot see individual grains, are fissile; and weathers easily so few outcrops. |
|
Definition
|
|
Term
| breaks into thin layers because clay minerals are flat and aligned? |
|
Definition
|
|
Term
| Forms from gradual settling in quiet-water environment. examples are lakes, floodplains, swamps, ocean basin? |
|
Definition
| Shale Environment of deposition |
|
|
Term
|
Definition
|
|
Term
| Features of Sandstones is ___ ___,grain ___. |
|
Definition
| grain sorting; grain roundness |
|
|
Term
| Common Types of Sandstone are __ __,__,__. |
|
Definition
| quartz sandstone; arkose; graywacke |
|
|
Term
| all quartz? quartz and feldspar? quartz, feldspar and ferromagnesian minerals? |
|
Definition
| quartz sandstone; arkose; graywacke |
|
|
Term
| Length of sediment transport determined from shape, sorting and mineral composition of sand grains? |
|
Definition
| Sandstone Environment of Deposition |
|
|
Term
| Sand grains are well rounded, well sorted, and composed of quartz. examples are Sand dune, beach? |
|
Definition
| Long transport from weathered source |
|
|
Term
| Sand grains are angular, poorly sorted and composed of quartz, feldspar and ferromagnesian minerals. examples are turbidite – submarine land slide? |
|
Definition
| Short transport from weathered source |
|
|
Term
| for Conglomerate minerals grains are ___ sized and ___, __ sorted, __ rounded. |
|
Definition
| pea; larger; poorly; well |
|
|
Term
| Conglomerate Depositional environment is __ __ transport, __ slopes, very ___ currents, __ __ and __. |
|
Definition
| high energy; steep; turbelent; mountain streams; landslide |
|
|
Term
|
Definition
|
|
Term
| Consist of precipitated material that was once dissolved in water? |
|
Definition
| Chemical sedimentary rocks |
|
|
Term
| Chemical sedimentary rocks have __ process and ___ process. |
|
Definition
|
|
Term
| Minerals precipitate from water as a result of evaporation? |
|
Definition
|
|
Term
| Minerals precipitate as shells of aquatic organisms and collect on the sea floor or lake beds? |
|
Definition
| organic process- biochemical origin |
|
|
Term
Chemical Sedimentary Rocks: Most abundant chemical rock • Composed of the mineral calcite? |
|
Definition
|
|
Term
| form as coral reefs, coquina, and chalk? |
|
Definition
|
|
Term
| corals secrete a CaCO3 external skeleton that are cemented together into reefs? rock of broken shells? rock of shells of microscopic organisms? |
|
Definition
| coral reefs; coquina; chalk |
|
|
Term
| example of inorganic limestone? |
|
Definition
|
|
Term
| Inorganic precipitate of microcrystalline quartz (SiO2 ) deposited directly from water>\? |
|
Definition
|
|
Term
| examples of chert: dark from organic matter? red from iron oxide? banded jasper? |
|
Definition
|
|
Term
| Generally an inorganic chemical precipitate? |
|
Definition
|
|
Term
| Water in enclosed basins evaporates concentrating elements to saturation with minerals, Least soluble minerals precipitate first, form salt flats? |
|
Definition
|
|
Term
Made of organic matter • organic matter deposits in stagnant swamps? |
|
Definition
|
|
Term
| partially altered plant material very smoky when burned and low energy? |
|
Definition
|
|
Term
| soft, brown coal, moderate energy? |
|
Definition
|
|
Term
| soft, black coal, major coal used in power generation and industry and high energy? |
|
Definition
|
|
Term
| hard, black coal, used in industry, and high energy? |
|
Definition
|
|
Term
| All chemical, biological and physical changes that take place after a sediment is deposited? |
|
Definition
|
|
Term
| process in which unconsolidated sediment is transformed into solid rock? |
|
Definition
|
|
Term
| Lithification involves two processes __ and ___. (hint cc) |
|
Definition
| compaction and cementation |
|
|
Term
| sediment buried and grains squeezed together? ___ experiences the greastest ___. |
|
Definition
| compaction; shale; compaction |
|
|
Term
| water in pore space precipitates minerals? |
|
Definition
|
|
Term
| Sedimentary Environments: land ex. alluvial (river deposits), desert, lakes, glacial? |
|
Definition
| terrestrial (continental) |
|
|
Term
| Sedimentary Environments: transitional between land and sea ex. delta, tidal flat, beach? |
|
Definition
|
|
Term
| Sedimentary Environments: ocean ex. deep ocean mud, reefs, turbidites? |
|
Definition
|
|
Term
| Change rock type and sedimentary environment within a single sedimentary layer? |
|
Definition
|
|
Term
Provide information about the environment of deposition. • Help determine if a sedimentary layer is right-side-up.? |
|
Definition
|
|
Term
| Sedimentary Structures: sedimentary layers (beds)? |
|
Definition
|
|
Term
| Sedimentary Structures: desert sand, river? |
|
Definition
|
|
Term
Sedimentary Structures: Current , sand bar in shallow stream – Wave oscillation (back and forth) on beach? |
|
Definition
|
|
Term
| Sedimentary Structures: turbidites on continental shelf? |
|
Definition
|
|
Term
| Sedimentary Structures: ancient soil zone? |
|
Definition
|
|
Term
| Remains or traces of prehistoric life often found in sedimentary rocks? |
|
Definition
|
|
Term
| ___ Occurs in pore space of sedimentary rock. |
|
Definition
|
|