The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 243
... Volcanic landforms : Major types of volcanic landforms . INTRUSIVE IGNEOUS ROCKS Erosion of volcanoes will immediately expose shallow in- trusive bodies such as volcanic necks and diatremes ( see Figure 118 ) . A volcanic neck is the ...
... Volcanic landforms : Major types of volcanic landforms . INTRUSIVE IGNEOUS ROCKS Erosion of volcanoes will immediately expose shallow in- trusive bodies such as volcanic necks and diatremes ( see Figure 118 ) . A volcanic neck is the ...
Page 244
... volcanic activity occurs subaerially ( e.g. , Iceland , which sits on the Mid - Atlantic Ridge ) . Along these divergent boundaries , the erupted basalts have such a restricted compositional range that they are referred to as mid ...
... volcanic activity occurs subaerially ( e.g. , Iceland , which sits on the Mid - Atlantic Ridge ) . Along these divergent boundaries , the erupted basalts have such a restricted compositional range that they are referred to as mid ...
Page 1002
... volcanic island arcs Precambrian bedrock. during their mutual aggregation ; the Slave craton lies to the northwest ... volcanic rocks were sheared off the Pacific Plate that was being subducted and were accreted to the leading ( western ) ...
... volcanic island arcs Precambrian bedrock. during their mutual aggregation ; the Slave craton lies to the northwest ... volcanic rocks were sheared off the Pacific Plate that was being subducted and were accreted to the leading ( western ) ...
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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