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DDC Course Title 🇺🇸 🇪🇺 🎓 📚 🏫 📜 ▶️ 🌐 Actions
552(0005) Quartzites
552(0006) Diagenesis 121
552(0007) Diorites 110
552(0008) Dolerites 103
552(0009) Dolomite 150
552(0010) Schists 160
552(0011) Gabbros 81
552(0012) Gneisses 45
552(0013) Granite 2
552(0014) Greensands
552(0015) Lava
552(0016) Silt
552(0017) Lithology
552(0018) Shales 7
552(0019) Marble
552(0020) Norites
552(0021) Oolites
552(0022) Peridotites
552(0023) Petrogenesis
552(0024) Petrography
552(0025) Petrology 7
552(0026) Microscopic petrology
552(0027) Petrologists
552(0028) Limestone
552(0029) Pumice
552(0030) Slate
552(0031) Porphyries
552(0032) Rocks 8
552(0033) Carbonate rocks 16
552(0034) Igneous rocks 9
552(0035) Metamorphic rocks 5
552(0036) Pyroclastic rocks 172
552(0037) Plutonic rocks 185 1
552(0038) Sedimentary rocks 139 1
552(0039) Volcanic rocks 114 16
552(0040) Serpentine 137 9
552(0041) Serpentinites 125
552(0042) Syenites 111
552(0043) Soils 161 4
552(0044) Diatomaceous earth 130
552(0045) Chalk 129 1
552(0046) Tufa 95
552(0047) Gypsum 153 7
553 ECONOMIC GEOLOGY (323)
553(0001) Water supply 178 250
553(0002) Aquifers 136 6
553(0003) Aggregates - materials- 165
553(0004) Water 132 215
553(0005) Subsurface water 161 34
553(0006) Subsurface underground water 121
553(0007) Mineral waters 89 20
553(0008) Saline waters 143 7
553(0009) Surface waters 163 53
553(0010) Alabaster 176
553(0011) Alumina 113 3
553(0012) Aluminum 103 2
553(0013) Amethysts 22
553(0014) Amber 17
553(0015) Asbestos
553(0016) Amphiboles
553(0017) Antimony 4
553(0018) Apatites
553(0019) Clay 6
553(0020) Fireclays
553(0021) Sand 14
553(0022) Bituminous
553(0023) Tar sands
553(0024) Glass sands 7
553(0025) Sandstone
553(0026) Argon 3
553(0027) Aggregates 12
553(0028) Arsenic 1
553(0029) Asphaltite
553(0030) Asphalt 11
553(0031) Sulfur 13
553(0032) Barite
553(0033) Bauxite 8
553(0034) Bentonite 138 10
553(0035) Beryllium 162
553(0036) Bitumens 130
553(0037) Bismuth 99 5
553(0038) Bluestone 117
553(0039) Borates 97
553(0040) Borax 117
553(0041) Boron 75
553(0042) Brines 137 6
553(0043) Bromine 131 1
553(0044) Black lead 146 18
553(0045) Calcite 133
553(0046) Limestone 153
553(0047) Kaolin
553(0048) Coal 17
553(0049) Bituminous coal 1
553(0050) Cannel coal
553(0051) Anthracite coal
553(0052) Graphitic anthracite coal
553(0053) Semibituminous coal
553(0054) Carbonado
553(0055) Carnallite
553(0056) Cement 39
553(0057) Ceramics 29
553(0058) Zirconium
553(0059) Chlorine 2
553(0060) Cobalt 2
553(0061) Copper 12
553(0062) Fossil fuels 85
553(0063) Corundum
553(0064) Krypton
553(0065) Chromium
553(0066) Placer deposits
553(0067) Mineral deposits 48
553(0068) Diamonds 1
553(0069) Industrial diamonds 7
553(0070) Diaspore clay
553(0071) Pegmatite dikes
553(0072) Dolomite
553(0073) Fossil gums
553(0074) Scandium 10
553(0075) Emeralds
553(0076) Emery
553(0077) Heavy spar
553(0078) Bituminous shale
553(0079) Black shale
553(0080) Tin 21
553(0081) Soapstone
553(0082) Stratifications
553(0083) Petroleum 1
553(0084) Mineral fertilizers 1
553(0085) Fluorine 4
553(0086) Formation of economic minerals 1
553(0087) Phosphates 3
553(0088) Natural gas 153
553(0089) Inert gases 1
553(0090) Noble gases 6
553(0091) Rare gases 1
553(0092) Gases 22
553(0093) Gems
553(0094) Applied geology 34
553(0095) Petroleum geology
553(0096) Economic geology 19
553(0097) Organic geochemistry 5
553(0098) Gums
553(0099) Graphite 10
553(0100) Garnets 61
553(0101) Granite 134
553(0102) Gravel 157
553(0103) Helium 139 6
553(0104) Hydrogen 181 266
553(0105) Ice 172 150
553(0106) Iron 97 31
553(0107) Jade 101 16
553(0108) Jet 19 58
553(0109) Brown coal lignite 184
553(0110) Lime 140 4
553(0111) Lodes 141
553(0112) Flagstones 64
553(0113) Magnesium 100 13
553(0114) Manganese 131 4
553(0115) Marls 60
553(0116) Marble 144 7
553(0117) Verd antique marble 115
553(0118) Onyx marble 114
553(0119) Abrasive materials 150 5
553(0120) Bituminous materials
553(0121) Carbonaceous materials 1
553(0122) Ceramic materials 278
553(0123) Pigment materials 2
553(0124) Fissionable materials 23
553(0125) Refractory materials 37
553(0126) Earthy materials
553(0127) Mercury 7
553(0128) Cerium-group metals
553(0129) Platinum-group metals
553(0130) Yttrium-group metals
553(0131) Light metals 91
553(0132) Nonferrous metals
553(0133) Precious metals 29
553(0134) Metals 32
553(0135) Mica 13
553(0136) Ores 3
553(0137) Industrial minerals 67
553(0138) Earthy minerals
553(0139) Molybdenum
553(0140) Neon 2
553(0141) Nickel 6
553(0142) Sodium nitrate
553(0143) Nitrates
553(0144) Nitrogen 64
553(0145) Umber
553(0146) Ochers
553(0147) Onyx
553(0148) Opals
553(0149) Gold 18
553(0150) Oxygen 40
553(0151) Ozokerite
553(0152) Flint
553(0153) Petroleum oil
553(0154) Stone 10
553(0155) Sculptural stone
553(0156) Structural stone 1
553(0157) Natural stone 12
553(0158) Pumice
553(0159) Precious stones
553(0160) Semiprecious stones
553(0161) Earth pigments
553(0162) Pitch 10
553(0163) Slate 4
553(0164) Oil shale 5
553(0165) Silver 27
553(0166) Platinum 16
553(0167) Lead 103
553(0168) Plumbago - mineral-
553(0169) Radium
553(0170) Radon 3
553(0171) Energy resources 628
553(0172) Fossil resins
553(0173) Resins 6
553(0174) Rubies
553(0175) Rutile 1
553(0176) Salt 28
553(0177) Rock salt 7
553(0178) Potash salts
553(0179) Niter saltpeter
553(0180) Chile saltpeter
553(0181) Soda niter
553(0182) Serpentine 4
553(0183) Syenites
553(0184) Silicon 125
553(0185) Sulphur 16
553(0186) Talc
553(0187) ,Talc refractory materials
553(0188) Tantalum 4
553(0189) Tanzanite
553(0190) Fuller's earth 10
553(0191) Diatomaceous earth 1
553(0192) Sienna 5
553(0193) Rare earths 71
553(0194) Titanium 17
553(0195) Chalk 1
553(0196) Thorium 2
553(0197) Travertines
553(0198) Peat 136 1
553(0199) Uranium 171 7
553(0200) Vanadium 100 9
553(0201) Veins 97 3
553(0202) Vermiculite 163
553(0203) Xenon 118 4
553(0204) Gypsum 148 3
553(0205) Iodine 120 21
553(0206) Sapphires 57

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