34) What does this texture indicate about the formation of this rock? A) It formed from an explosive pyroclastic eruptio

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34 What Does This Texture Indicate About The Formation Of This Rock A It Formed From An Explosive Pyroclastic Eruptio 1 (66.55 KiB) Viewed 109 times

34) What does this texture indicate about the formation of this rock? A) It formed from an explosive pyroclastic eruption B) The rock solidified at great depth C) The magma formed some crystals before rising closer to the surface and solidifying D) The magma had abundant dissolved gas Each blank below has only one answer, although each answer may be used more than once. Choose the one best answer for each question. (2 points cach) A) Felsie intrusive rock B) Mafic extrusive rock Felsic extrusive rock E) Ultramafic intrusive rock C) Intermediate intrusive rock D) 35) Which rock is most likely is found at divergent margins? 36) Which rock will form voleanos at convergent margins? 37) Which coarse grained volcanic rock contains the minerals amphibole and biotite? 38) In which of the following types of bonding do atoms loan one or more electrons to another atom? A) covalent B) ionic C) metallic D) intermolecular 39) Which of the following defines foliation in metamorphic rocks? A) a dominant orientation of crystals, such as mica B) the imbrication of pebbles C) the intergrowth of new minerals D) rounded clasts of varying sizes 40 Most of the exposed surface of Earth is covered with A) sediment and sedimentary rocks. B) sediment and igneous rocks. C) sediment and metamorphic rocks. 41 The two main processes by which sediment is produced are A) physical and chemical weathering. B) subduction and melting, C) transportation and intrusion. To lithify can be defined as when - loose sediment hardens into sedimentary rock. loose sediment breaks off of sedimentary rocks. sediment settles from the water column. Which of the following rocks is composed of the LARGEST sedimentary clasts? breccia B) conglomerate C) shale D) sandstone E) siltstone