Description : Why does calcite break smooth flat surfaces?
Last Answer : calcite has a regular arrangement of atoms.
Description : An igneous rock which is commonly black, has a glassy texture, and has a conchoidal (pron: kong-koid-al) fracture is whic of the following? w) pelite (pron: pel-ite) x) calcite y) obsidian z) none of the above
Last Answer : ANSWER: Y -- OBSIDIAN
Description : What type of drainage pattern would you expect to find where the main streams are parallel and very long and the edge of the folded sedimentary rock (weak and resistant) forms long parallel belts? (A) Dendritic (B) Rectangular (C) Radial (D) Trellised
Last Answer : (D) Trellised
Description : All of the following are examples of chemically precipitated sedimentary rock except: w) limestone x) sandstone y) dolomite
Last Answer : ANSWER: X -- SANDSTONE
Description : This sedimentary rock was used to build the Pantheon and the Colossium: w) marble x) travertine y) sandstone z) ironstone
Last Answer : ANSWER: X -- TRAVERTINE
Description : Which of the following pairs contains one igneous and one sedimentary rock? w) shale and marble x) sandstone and quartzite y) granite and limestone z) obsidian and gneiss
Last Answer : ANSWER: Y -- GRANITE AND LIMESTONE
Description : The solidified lava of a volcano belongs to which rock family? Is it: w) igneous x) metamorphic y) sedimentary z) fossilized
Last Answer : ANSWER: W -- IGNEOUS
Description : Most cave deposits form from which of the followin minerals? w) hematite x) calcite y) quartz z) none of these
Last Answer : ANSWER: X -- CALCITE
Description : Which of the following is the mineral name for ordinary salt? w) biotite x) calcite y) halite z) dolomite
Last Answer : ANSWER: Y -- HALITE
Description : Of the following minerals, the one most resistant to both chemical and mechanical weathering is: w) calcite x) muscovite y) hornblende z) quartz
Last Answer : ANSWER: Z -- QUARTZ
Description : The nickname, "Fool's Gold," refers to which of th following? w) calcite x) apatite y) fluorite z) pyrite
Last Answer : ANSWER: Z -- PYRITE
Description : Which of the following is the chemical formula for calcite? w) CaCO3 x) CaMgSO4 y) FeCO3 z) FeS2
Last Answer : ANSWER: W -- CaCO3
Description : Which of the following materials is the hardest? w) calcite x) silicon carbide y) topaz z) quartz
Last Answer : ANSWER: X -- SILICON CARBIDE
Description : Which of these pairs of minerals are always found in granites? w) muscovite and calcite x) quartz and orthoclase y) hornblende and talc z) augite and magnetite
Last Answer : ANSWER: X -- QUARTZ AND ORTHOCLASE
Description : Which of the following minerals is noted for its one perfect cleavage? w) calcite x) muscovite y) quartz z) pyrite
Last Answer : ANSWER: X -- MUSCOVITE
Description : In geological studies, arkose contains which of th following minerals which gives it a reddish color? w) orthoclase x) calcite y) aragonite (pron: a-rag-o-nite) z) quartz
Last Answer : ANSWER: W -- ORTHOCLASE
Description : Why doesn't my household vinegar make calcite fizz?
Last Answer : How old is your vinegar? If the bottle isn’t tightly sealed it can go bad. Cheapest thing is to try a new bottle.
Description : Would calcite fizz if HCl was added?
Last Answer : Yes, it is a chemical reaction which release carbon dioxide.
Description : Which of the following is the most important chemically-active fluid involved in the formation of rocks? w) hydrochloric acid x) sulfuric acid y) water z) methane
Last Answer : ANSWER: Y -- WATER
Description : The hydrolysis of orthoclase results in the formation of: w) shale x) kaolin y) lime z) hydrochloric acid
Last Answer : ANSWER: X -- KAOLIN
Description : Which of the following describes the Gabbro? (A) fine-grained, dark-colored igneous rock poor in silica (B) Coarse-grained, dark-colored igneous rock poor in silica (C) Fine-grained, dark-colored igneous rock rich in silica (D) Coarse -grained, dark-colored igneous rock rich in silica
Last Answer : Coarse-grained, dark-colored igneous rock poor in silica
Description : Breccia belongs to which type of sedimentary rocks? (A) organic sedimentary (B) chemical sedimentary (C) clastic sedimentary (D) All of them
Last Answer : clastic sedimentary
Description : Name the gaseous hydrocarbon that occurs naturally in sedimentary strata.
Last Answer : ANSWER: METHANE (CH4)
Description : What type of rocks are formed as a result of volcanic activity? w) metamorphic x) sedimentary y) igneous z) Hudson
Last Answer : ANSWER: Y -- IGNEOUS
Description : Which of the following pairs of minerals are difficult to tell apart because both are always dark in color and almost equally hard? w) muscovite and orthoclase x) muscovite and quartz y) hornblende and talc z) hornblende and augite
Last Answer : ANSWER: Z -- HORNBLENDE AND AUGITE
Description : The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt
Last Answer : ANSWER: Z -- BASALT
Description : The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum
Last Answer : ANSWER: W -- SANDSTONE
Description : A specialized form of concordant igneous intrusion that is characterized by a dome in the country rock and a nearly planar floor is called a: w) lopolith x) laccolith y) batholith z) stock
Last Answer : ANSWER: X -- LACCOLITH
Description : After turning on the fluorescent lamp shown in the illustration, you note that the ends of the tube alternately glow and becomce dark without illuminating the center. The most obable cause for ... the lamp D. component 'B' contacts are opening and closing thus prohibiting sufficient current flow
Last Answer : Answer: C
Description : The illustration shows a fluorescent light fixture. The ends of the lamp alternately glow and become dark, but the tube will not light. The most probable cause is that ____________. EL-0081 ... start the lamp D. component 'B' contacts are opening and closing thus prohibiting sufficient current flow
Description : During start-up of the circuit shown in the illustration, it is noted that the ends of component 'C' alternately glow and become dark without the tube illuminating. The most probable cause ... start the lamp D. component 'B' contacts are opening and closing thus prohibiting sufficient current flow
Description : Surface along which the block of rock slip is called _____? (A) Fault zone (B) Fault Plane (C) Fault scarp (D) None of these
Last Answer : (B) Fault Plane
Description : A rock is (A)a naturally occurring, hard, solid substance (B) any hard, solid substance on earth (C)an aggregate of minerals (D)only produced by cooling of magma
Last Answer : an aggregate of minerals
Description : When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite
Last Answer : ANSWER: Y -- SHALE
Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble
Last Answer : ANSWER: X -- CONGLOMERATE
Description : Which is a metamorphic rock, slate or shale?
Last Answer : ANSWER: SLATE
Description : Winds are classed as agents of erosion rather than of weathering because: w) they have nothing to do with the weather x) they carry rock particles away y) they work only part of the time z) they build up rather than wear down the rock
Last Answer : ANSWER: X -- THEY CARRY ROCK PARTICLES AWAY
Description : What is molten rock that remains underground called?
Last Answer : ANSWER: MAGMA
Description : Of the following choices, the color purple on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations
Last Answer : ANSWER: Y -- PHOTOREVISION
Description : Of the following, the color blue on a topographic map indicates what surface feature? w) vegetation x) water y) photorevision z) rock formations
Last Answer : ANSWER: X -- WATER
Description : Which coal is considered a metamorphic rock? w) anthracite coal x) bituminous coal y) lignite coal z) all of these
Last Answer : ANSWER: W -- ANTHRACITE
Description : The metamorphic rock which forms from pure limestone is: w) slate x) gneiss y) schist z) marble
Last Answer : ANSWER: Z -- MARBLE
Description : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite
Last Answer : ANSWER: W -- FELDSPAR
Description : Molten rock beneath the Earth's crust is called: w) magma x) liquicite y) lava z) igneous
Last Answer : ANSWER: W -- MAGMA
Description : The aquifer of a famous artesian formation in the Great Plains is a layer of rock called the: w) Clinton limestone x) Dakota sandstone y) Pierre shale z) Vermont marble
Last Answer : ANSWER: X -- DAKOTA SANDSTONE
Description : Which of the following is the name of the partly melted rock layer on which the plates move? w) lithosphere x) asthenosphere y) hydrosphere z) outer core
Last Answer : ANSWER: X -- ASTHENOSPHERE
Description : Which of the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble
Description : Which of the following is an igneous rock? w) Granite x) Shale y) Coal z) Slate
Last Answer : ANSWER: W -- GRANITE
Description : The deposits of loess in the United States probabl originated as which of the following? w) talus x) rock flour y) humus z) geyserite
Last Answer : ANSWER: X -- ROCK FLOUR