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GEOL 101 QUESTIONS AND ACCURATE ANSWERS PASS.pdf
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Sediment_- _Correct_answer~Solid_particles_that_originate_from_the(1)_weathering,_mass_wasti ng,and_erosion_of_previously_existing_Earth_material,(2)_minerals_precipitated_from _a_solution,or(3)the_remains_or_traces_of_once_living_organisms(plant_or_animal) or_material_derived_from_their_activities Clasic_sedimentary_rock- _Correct_answer~_If_sedimentary_rock_is_dominated_by_weathering,_mass_wasting,a nd_erosion_of_previously_existing_Earth_material Chemical_sedimentary_rock- _Correct_answer~_If_sedimentary_rock_is_dominated_by_minerals_precipitated_from_a solution Organic_sedimentary_rock- _Correct_answer~If_sedimentary_rock_is_dominated_by_remains_or_traces_of_once_li ving_organisms(plant_or_animal)_or_material_derived_from_their_activities
Beds_- _Correct_answer~Sediment_normally_accumulates_in_layers_of_cohesion_less_particle s Gravel-_Correct_answer~clastic_particles_greater_than 2 mm_in_size Sand-_Correct_answer~clastic_particles_between_0.0625_mm_and_2.0_mm_in_size Silt- Correct_answer~smaller_than_sand_and_includes_grains_between_0.0035_mm_and 0 .0625_mm Clay-_Correct_answer~smallest_and_includes_all_particles_less_than_0.0035_mm Mud-_Correct_answer~categorizing_all_particles_less_than_0.0625_mm Conglomerate-_Correct_answer~Gravel Breccia-_Correct_answer~If_gravel_is_angular_or_blocky_in_form Sandstone-_Correct_answer~Sand Siltstone-_Correct_answer~Silt Claystone-_Correct_answer~_Clay
Coquina_-_Correct_answer~Coarse_grained_variety Chalk-_Correct_answer~Composed_of_calcareous_remains_of_the_coccolithophore Cherts-Correct_answer~-_Hard_dense_rocks_composed_entirely_of_silica
Form_as_result_of_replacement_of_limestones_by_silica_rich_ground_waters_and_as deep_marine_deposits_composed_of_the_siliceous_microfossil_radolarian Evaporites_-_Correct_answer~Composed_of_minerals_precipitated_from_solution Examples_of_evaporates-_Correct_answer~Rock_gypsum_and_rock_salt Coal-_Correct_answer~Rock_composed_of_decayed_and_altered_plant_matter Lowest_rank_coal-_Correct_answer~Lignite Third_rank_coal-_Correct_answer~Sub-bituminous Second_rank_coal-_Correct_answer~Bituminous First_rank_coal-_Correct_answer~_Anthracite