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

1 Answer

Answer :

ANSWER: Z -- HORNBLENDE AND AUGITE 

Related questions

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 NOT a silicate? w) orthoclase x) muscovite y) augite (pron: aw-jIt) z) magnetite

Last Answer : ANSWER: Z -- MAGNETITE

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 : Fine parallel lines, or striations, are most likel to be seen on a cleavage surface of which of the following minerals? w) quartz x) orthoclase y) hornblende z) plagioclase (pron: play-gee-o-klase)

Last Answer : ANSWER: Z -- PLAGIOCLASE

Description : Which one of the following minerals does NOT contain silica tetrahedrons? w) quartz x) muscovite y) halite z) orthoclase

Last Answer : ANSWER: Y -- HALITE

Description : The principal mineral in most sand beaches is w) quartz x) orthoclase y) magnetite z) muscovite

Last Answer : ANSWER: W -- QUARTZ

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 : 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 : What is the name of the white clay which has been used for thousands of years in the fabrication of ceramic bodies? Is it: w) Talc x) Kaolin y) Feldspar z) Quartz

Last Answer : ANSWER: X -- KAOLIN

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 : 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 : Which one of the following is an example of chemical weathering? w) the splitting of a boulder x) the grinding of pebbles into sand y) the cleavage of a feldspar crystal z) the rusting of hornblende

Last Answer : ANSWER: Z -- THE RUSTING OF HORNBLENDE

Description : Orthoclase is what number on Moh's hardness scale? w) 4 x) 5 y) 6 z) 7

Last Answer : ANSWER: Y -- 6

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 : The most common mineral found in igneous rock is: w) feldspar x) olivine y) muscovite z) fluorite

Last Answer : ANSWER: W -- FELDSPAR

Description : Which of the following reasons explains why quartz cannot be identified by its color alone? w) Its color is too faint. x) It has no color. y) It exists in a variety of colors. z) Its color fades.

Last Answer : ANSWER: Y -- IT EXISTS IN A VARIETY OF COLORS

Description : North American Indians used this mineral of volcanic origin to make tips for arrows: w) obsidian x) quartz y) flint z) pumice

Last Answer : ANSWER: W -- OBSIDIAN

Description : What is the chemical formula for quartz? w) CaCO-3 x) SiO-2 y) Fe-2O-3 z) none of these

Last Answer : ANSWER: X -- SiO-2

Description : When shale weathers, it forms mostly: w) clay x) quartz y) soluble carbonates z) slate

Last Answer : ANSWER: W -- CLAY

Description : Carbonic acid is extremely active in the chemical weathering of: w) feldspar x) quartz y) carbon z) quartzite

Last Answer : ANSWER: W -- FELDSPAR

Description : An agate is a form of what mineral? w) magnetite x) feldspar y) quartz z) copper

Last Answer : ANSWER: Y -- QUARTZ

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 the following is a metamorphic rock? w) sandstone x) granite y) quartz z) marble

Last Answer : ANSWER: Z -- MARBLE

Description : Which of the following minerals is a source of lead? w) Bauxite x) Hematite y) Malachite z) Galena

Last Answer : ANSWER: Z -- GALENA

Description : The oxygen in the earth's atmosphere was probably produced by which of the following? w) volcanos x) photosynthetic organisms y) radioactive minerals z) meteors

Last Answer : ANSWER: X -- PHOTOSYNTHETIC ORGANISMS

Description : Which physical phenomenon or principle is most often applied in the search for petroleum reservoirs? w) magnetic field distortions x) electromagnetic radiation y) natural radioactive decay of minerals z) acoustic wave transmission and reflection

Last Answer : ANSWER: Z -- ACOUSTIC WAVE TRANSMISSION AND REFLECTION  

Description : Which physical phenomenon or principle is most often applied in the search for petroleum reservoirs? w) gravitational attraction x) magnetic field distortions y) natural radioactive decay of minerals z) acoustic wave transmission and reflection

Last Answer : ANSWER: Z -- ACOUSTIC WAVE TRANSMISSION AND REFLECTION

Description : Which of the following minerals is a source of copper? w) Bauxite (pron: box-ite) x) Hematite y) Malachite z) Galena

Last Answer : ANSWER: Y -- MALACHITE

Description : Igneous rocks that form from magma are known as: w) minerals x) granite y) intrusive rocks z) gneiss (pron: nice)

Last Answer : ANSWER: Y -- INTRUSIVE ROCKS

Description : An example of a rock whose minerals have been crushed into thin sheets or bands is: w) shale x) schist y) conglomerate z) granite

Last Answer : ANSWER: X -- SCHIST 

Description : Chlorite, a green colour mineral is mainly derived from the decomposition of (A) Augite (B) Biotite (C) Hornblende (D) All of these

Last Answer : Answer: Option A

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 : Pick up the correct statement from the following: (A) Hornblende mineral is brittle (B) Muscovite is also known as white mica and potash mica (C) Biotite is also known as black-mica (D) All the above

Last Answer : Answer: Option D

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 : Valleys formed by glaciers always have which of the following characteristics? w) U-shaped cross sections x) straight courses y) uniform slopes z) bedrock floors

Last Answer : ANSWER: W -- U-SHAPED CROSS SECTIONS

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 : We know that the OUTER core is liquid because: w) P waves pass through it x) S waves pass through it y) P waves cannot pass through it z) S waves cannot pass through it

Last Answer : ANSWER: Z -- S WAVES CANNOT PASS THROUGH IT 

Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Last Answer : ANSWER: X -- COPPER

Description : Of the following, the rock that is most resistant to both chemical and mechanical weathering is: w) shale x) limestone y) marble z) quartzite

Last Answer : ANSWER: Z -- QUARTZITE

Description : Pangaea is the name of a former continent that included: w) all the continents x) only Europe and Asia y) only South America and Africa z) only North and South America

Last Answer : ANSWER: W -- ALL THE CONTINENTS

Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Last Answer : ANSWER: X -- CINNABAR

Description : Which of the following mountain ranges was formed during the Mesozoic era? w) Rocky Mountains x) Cascades y) Appalachian z) Sierra Nevada

Last Answer : ANSWER: Z -- SIERRA NEVADA

Description : Sulfuric acid aerosols from the eruption of Mt. Pinatubo reduced the rate of global warming last year. They also contributed to the record size of: w) acid rainfalls in Europe x) the anchovy catch off Peru y) the ozone hole over Antarctica z) fish kills in the Amazon River

Last Answer : ANSWER: Y -- THE OZONE HOLE OVER ANTARCTICA

Description : Cloud droplets unite most easily to form raindrops in clouds containing which of the following substances? w) ozone x) plant pollen y) carbon tetrachloride z) large salt crystals

Last Answer : ANSWER: Z -- LARGE SALT CRYSTALS

Description : Which of the following is an average number of inches of snow equal to one inch of rain? w) 1 inch x) 5 inches y) 10 inches z) 25 inches

Last Answer : ANSWER: Y -- 10 inches

Description : When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold

Last Answer : ANSWER: W -- IT IS VERY DRY

Description : What is considered to be the oldest lake in North America? w) Mono Lake, CA x) Lake Superior, MI y) The Great Salt Lake, UT z) Crater Lake, OR

Last Answer : ANSWER: W -- MONO LAKE, CA

Description : On which of the following does the capacity of a kilogram of air for holding water depend? w) the air pressure x) the air temperature y) the dust content of the air z) the ions in the air

Last Answer : ANSWER: X -- THE AIR TEMPERATURE 

Description : What is considered to be the approximate difference in average temperature between the "little ice age" and today? w) 1 to 3 degrees centigrade x) 5 to 8 degrees centigrade y) 10 to 12 degrees centigrade z) 15 to 20 degrees centigrade

Last Answer : ANSWER: W -- 1 TO 3 DEGREES CENTIGRADE