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Chemical Composition
55問 • 1年前
  • ユーザ名非公開
    • 通報

    問題一覧

  • 1

    Occur in native state, uncombined form

    Native Elements

  • 2

    Cu,Au,Ag,S,Diamond

    Native Elements

  • 3

    Pure masses if single metal/ element

    Native Elements

  • 4

    S2- bonded to metal cation

    Sulfides

  • 5

    Economically important as metal ores

    Sulfides

  • 6

    pyrite, galena

    Sulfides

  • 7

    (SO4)2- bonded to metal action

    Sulfates

  • 8

    Many forms by precipitation out of highly saline water at and/or near the Earths surface

    Sulfates

  • 9

    Gypsum, Barite

    Sulfates

  • 10

    Metal cations combined with oxygen

    Oxides

  • 11

    Can be simple or multiple

    Oxides

  • 12

    Strong Ionic bonding,hard, dense, and refractory

    Oxides

  • 13

    Form many of the valuable ores

    Oxides

  • 14

    Also carry the best record of changes in the earths magnetic field

    Oxides

  • 15

    Hematite, Magnetite, Chromite, Pyrolusite, manganite

    Oxides

  • 16

    Metals attached with (OH)-

    Hydroxides

  • 17

    Tend to be less dense than oxides, and not as hard

    Hydroxides

  • 18

    Form at low temp, and predominantly in weathering products (alteration in hydrothermal veins)

    Hydroxides

  • 19

    Manganite (MnO(OH)), diaspore, Geothite

    Hydroxides

  • 20

    Contains halogen ions like Cl- or F-

    Halides

  • 21

    Salts that form when salt water evaporates

    Halides

  • 22

    Low hardness, poor thermal and electric conductors when solid, good electric conductors when molten

    Halides

  • 23

    Halite(NaCl), Flourite (CaF2), Sylvite KCl

    Halides

  • 24

    Silica Tetrahedon, as fundamental component

    Silicates

  • 25

    ______ minerals make up over 90% of crust

    Silicates

  • 26

    Contain (CO3)2-

    Carbonates

  • 27

    Commonly deposited in marine settings when the shells of dead planktonic life settle and accumulate on the sea floor

    Carbonates

  • 28

    Calcite, Azurite, Malachite, dolomite

    Carbonates

  • 29

    Similar structure with silicates but instead of Si, its P, As (arsenates), or Va (Vanadates)

    Phosphates

  • 30

    turquoise

    Phosphates

  • 31

    Single, isolated tetrahedron No cleavage Composition: (Mg, Fe)2SiO4

    Neosilicates/ Olivine Group

  • 32

    not stable in the presence of free quartz and will form a pyroxene called enstatite

    Forsterite

  • 33

    •Structure possessing parallel silica letrahedron chains whuch can be double or single • Single/Pyroxene Group • Double/ Amphibole Group

    Inosilicates

  • 34

    Cleavage: 2 at 90 deg Orthopyroxene Clinopyroxene

    Single/ pyroxene Group

  • 35

    Common in peridotites, gabbros, norutes and basalts Commonly associated by olivine, pagioclase, Ca-rich clinopyroxene

    Enstatite

  • 36

    Monoclinic Augite

    Clinopyroxene

  • 37

    Most common pyroxene mineral

    Augite

  • 38

    • Hornblende • cleavage: 2 at 60 deg and 120 deg • in the presence of water/fluids, pyroxenes are often converted to amphibole

    Double/ Amphibole group

  • 39

    Ca-rich amphibole mineral, common in diorites, commonly occurs with pagioclase

    Hornblende

  • 40

    Sheets of silicate tetrahedron cleavage: 1 plane Biotite Muscovite

    Phyilosilicates/ Mica Group

  • 41

    Dark colored mica common in granite, diorite, gabbros, and peridotites

    Biotite

  • 42

    Mg-rich if in unltramafics and Fe-rich if in granites

    Biotite

  • 43

    In metamorphic rocks, it occurs with chlorite and muscovite

    Biotite

  • 44

    Light colored mica common in granites

    Muscovite

  • 45

    3D framework if silicate tetrahedron Feldspar Silica Group

    Tectosilicates

  • 46

    •Potassium Feldspar/ Orthoclase/ Alkali Feldspar • Calcium Feldspar/ Pagioclase • Sodium Feldspar / Albite

    Feldspars

  • 47

    Most abundunt silicate mineral in the crust

    Calcium Feldspar/ Pagioclase

  • 48

    Quartz, Opal , Chalcedony

    Silica Group

  • 49

    Tridymite or cristobalite in high temp

    Quartz

  • 50

    Rose,admethyst and smoky ____ are low temp varieties

    Quartz

  • 51

    common in granite, diorite and chert

    Quartz

  • 52

    common in gangue mineral in hydrothermal ore deposit

    Quartz

  • 53

    Quartz with water

    Opal

  • 54

    along with chalcedony and agate, they occur in hydrothermally altered rocks

    Opal

  • 55

    Fibrous Variety

    Chalcedony

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    Item 311 Portland Cement Concrete Pavement (PART 1)

    Item 311 Portland Cement Concrete Pavement (PART 1)

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    Item 301 Bituminous Prime Coat

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    Item 300 Aggregate Surface Course

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    Item 205 Asphalt Stabilized Road Mix Base Course

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    Item 202 Crushed Aggregate Base Course

    Item 202 Crushed Aggregate Base Course

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    Item 202 Crushed Aggregate Base Course

    Item 202 Crushed Aggregate Base Course

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    Item 201 Aggregate Base Course

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    Item 201 Aggregate Base Course

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    16問 • 13日前
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    Item 200 Aggregate Subbase Course

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    Item # and Descriptions

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    問題一覧

  • 1

    Occur in native state, uncombined form

    Native Elements

  • 2

    Cu,Au,Ag,S,Diamond

    Native Elements

  • 3

    Pure masses if single metal/ element

    Native Elements

  • 4

    S2- bonded to metal cation

    Sulfides

  • 5

    Economically important as metal ores

    Sulfides

  • 6

    pyrite, galena

    Sulfides

  • 7

    (SO4)2- bonded to metal action

    Sulfates

  • 8

    Many forms by precipitation out of highly saline water at and/or near the Earths surface

    Sulfates

  • 9

    Gypsum, Barite

    Sulfates

  • 10

    Metal cations combined with oxygen

    Oxides

  • 11

    Can be simple or multiple

    Oxides

  • 12

    Strong Ionic bonding,hard, dense, and refractory

    Oxides

  • 13

    Form many of the valuable ores

    Oxides

  • 14

    Also carry the best record of changes in the earths magnetic field

    Oxides

  • 15

    Hematite, Magnetite, Chromite, Pyrolusite, manganite

    Oxides

  • 16

    Metals attached with (OH)-

    Hydroxides

  • 17

    Tend to be less dense than oxides, and not as hard

    Hydroxides

  • 18

    Form at low temp, and predominantly in weathering products (alteration in hydrothermal veins)

    Hydroxides

  • 19

    Manganite (MnO(OH)), diaspore, Geothite

    Hydroxides

  • 20

    Contains halogen ions like Cl- or F-

    Halides

  • 21

    Salts that form when salt water evaporates

    Halides

  • 22

    Low hardness, poor thermal and electric conductors when solid, good electric conductors when molten

    Halides

  • 23

    Halite(NaCl), Flourite (CaF2), Sylvite KCl

    Halides

  • 24

    Silica Tetrahedon, as fundamental component

    Silicates

  • 25

    ______ minerals make up over 90% of crust

    Silicates

  • 26

    Contain (CO3)2-

    Carbonates

  • 27

    Commonly deposited in marine settings when the shells of dead planktonic life settle and accumulate on the sea floor

    Carbonates

  • 28

    Calcite, Azurite, Malachite, dolomite

    Carbonates

  • 29

    Similar structure with silicates but instead of Si, its P, As (arsenates), or Va (Vanadates)

    Phosphates

  • 30

    turquoise

    Phosphates

  • 31

    Single, isolated tetrahedron No cleavage Composition: (Mg, Fe)2SiO4

    Neosilicates/ Olivine Group

  • 32

    not stable in the presence of free quartz and will form a pyroxene called enstatite

    Forsterite

  • 33

    •Structure possessing parallel silica letrahedron chains whuch can be double or single • Single/Pyroxene Group • Double/ Amphibole Group

    Inosilicates

  • 34

    Cleavage: 2 at 90 deg Orthopyroxene Clinopyroxene

    Single/ pyroxene Group

  • 35

    Common in peridotites, gabbros, norutes and basalts Commonly associated by olivine, pagioclase, Ca-rich clinopyroxene

    Enstatite

  • 36

    Monoclinic Augite

    Clinopyroxene

  • 37

    Most common pyroxene mineral

    Augite

  • 38

    • Hornblende • cleavage: 2 at 60 deg and 120 deg • in the presence of water/fluids, pyroxenes are often converted to amphibole

    Double/ Amphibole group

  • 39

    Ca-rich amphibole mineral, common in diorites, commonly occurs with pagioclase

    Hornblende

  • 40

    Sheets of silicate tetrahedron cleavage: 1 plane Biotite Muscovite

    Phyilosilicates/ Mica Group

  • 41

    Dark colored mica common in granite, diorite, gabbros, and peridotites

    Biotite

  • 42

    Mg-rich if in unltramafics and Fe-rich if in granites

    Biotite

  • 43

    In metamorphic rocks, it occurs with chlorite and muscovite

    Biotite

  • 44

    Light colored mica common in granites

    Muscovite

  • 45

    3D framework if silicate tetrahedron Feldspar Silica Group

    Tectosilicates

  • 46

    •Potassium Feldspar/ Orthoclase/ Alkali Feldspar • Calcium Feldspar/ Pagioclase • Sodium Feldspar / Albite

    Feldspars

  • 47

    Most abundunt silicate mineral in the crust

    Calcium Feldspar/ Pagioclase

  • 48

    Quartz, Opal , Chalcedony

    Silica Group

  • 49

    Tridymite or cristobalite in high temp

    Quartz

  • 50

    Rose,admethyst and smoky ____ are low temp varieties

    Quartz

  • 51

    common in granite, diorite and chert

    Quartz

  • 52

    common in gangue mineral in hydrothermal ore deposit

    Quartz

  • 53

    Quartz with water

    Opal

  • 54

    along with chalcedony and agate, they occur in hydrothermally altered rocks

    Opal

  • 55

    Fibrous Variety

    Chalcedony