What is the most obvious evidence that lava extruded under water?
Answer to relevant QuestionsFigure 3.9(b) depicts a pile of pillows tilted to a vertical position. In which direction are the pillows topping (that is, which is the top of the sequence?)What is the fine-grained equivalent of gabbro?Mt. Somma (ancestral Mt. Vesuvius), which towered above the Roman seaside resort cities of Pompeii and Herculaneum, hadn’t erupted for 800 years, when in A.D. 79, it erupted. What happened to the two cities?Refer to Fig. 3.16. What is the viscosity and composition of the lavas which formed Hawaii?Do mechanical and chemical weathering operate independently of each other?
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