This sedimentary rock consists of well -rounded gravel-size rock fragments. Its

Question

This sedimentary rock consists of well -rounded gravel-size rock fragments. Its name is most likely depositional environment is breccia; braided river channels shale; lagoon sandstone; beach conglomerate; braided river channels Which of the following sediment type -depositional environment pairs is INCORRECT? sea shells - glaciers sand - desert sand dunes mud - lagoons & estuaries gravel - streams & rivers Which of the chemical sedimentary rocks below consists of microcrystalline quartz? chert dolostone rock gypsum rock salt This foliated metamorphic rock is made up of alternating dark - and light -color bands. marble mica schist phyllite gneiss A type of metamorphism commonly seen in mid -oceanic ridges (divergent plate boundaries) is called metamorphism and the resulting nonfoliated rock is dynamic; mylonite contact; homfels regional; gneiss hydrothermal; serpentinite (greenstone) Which of the metamorphic rocks below is non-follated ? hornfels gneiss mica schist phylite A possible parent rock for gneiss is: quartz sandstone basalt granite limestone What is the term used for a metamorphic texture In which large crystals of garnet surrounded by mica schist matrix? gneissic banding slaty cleavage porphyritic porphyroblastic Which of the following is NOT considered as a common cement in sedimentary rocks? silica calcite gypsum iron oxides This foliated metamorphic rock has a wavy surface and a glossy sheen. gneiss slate quartzite phyllite Which of the following igneous rock structures is NOT considered as extrusive (volcanic) in nature? lava dome cinder cone lava flow batholith Layering and parallel alignment of platy (flat) mineral crystals such as micas is also known as: foliation bedding splitting banding Which of the sediment transportation agents below is considered "poorly sorting" agent? ice (glaciers) waves running water wind Which of the following igneous rock contains the HIGHEST amount of silica (i.e.. Si and O)? granite diorite basalt pendotite Mafic (basaltic) lavas tend to have viscosity, whereas. felsic (granitic) lavas tend to have viscosity. high; intermediate low; intermediate low; high high; low Which of the following is NOT an extrusive igneous rock? tuff pumice diornite obsidian andesite

Explanation / Answer

29) sandstone, beach

Sandstone us a medium grained sedimentary rock with grains ranging in diameter from 1/16 mm to 2 mm

30) glacier sea shells

Sea shells are mostly found in marine environment

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