Igneous rocks are common in the geologic record but surprisingly it is the intrusive rocks that are more common. - The sharp spiny lava flow that results is called an aa flow. Aa Lava Flows Are Rough To Walk On View Answer Which textural term denotes a strong parallel alignment of the long axes of minerals andor. . A valuable fossil fuel. Cooler andesitic lavas are more viscous than the coolest basalt that forms aa flows. Describe pahoehoe aa and pillow lava. 413 Igneous Rock Bodies. A rapidly cooling lava results leading to a rounded blocky surface called block lava flows characterized by blocks. Lava flows from Puu Oo during the summer of 2004 above provided great viewing for anyone who was willing to walk about a mile along the marked path. Crude oil along with petroleum gas occupying pore spaces in some sedimentary rocks. Intrusive rocks forming underground with larger stronger crystals are more likely...
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