The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 177
... aragonite , and dolomite . The copper carbonates azurite and mala- chite are the only notable hydrous varieties ( see Table 7 ) . Table 7 : Common Carbonates Calcite group ( hexagonal ) Calcite Magnesite Siderite Aragonite group ...
... aragonite , and dolomite . The copper carbonates azurite and mala- chite are the only notable hydrous varieties ( see Table 7 ) . Table 7 : Common Carbonates Calcite group ( hexagonal ) Calcite Magnesite Siderite Aragonite group ...
Page 215
... aragonite , though frequently deposited in nature , is metastable at room temperature and pressure and readi- ly inverts to calcite ; the inversion has been shown ex- perimentally to be spontaneous when aragonite is heated to 400 ° C in ...
... aragonite , though frequently deposited in nature , is metastable at room temperature and pressure and readi- ly inverts to calcite ; the inversion has been shown ex- perimentally to be spontaneous when aragonite is heated to 400 ° C in ...
Page 217
... aragonite - that makes up speleothems ( cave formations ) such as these that occur in New River cave in southwestern Virginia , U.S. ( Top right ) Chalk , such as that constituting these rocks along the southern coast of Denmark , is a ...
... aragonite - that makes up speleothems ( cave formations ) such as these that occur in New River cave in southwestern Virginia , U.S. ( Top right ) Chalk , such as that constituting these rocks along the southern coast of Denmark , is a ...
Common terms and phrases
albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic