that of the interior, the absolute hardness of both has decreased with respect to the initial value, to an extreme degree in the tonalite and only moderately in the dolerite. This variety of differential weathering is be

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Date: 2011-05-06 04:04:07 Volcanology Volcanic rocks Northern Cordilleran Volcanic Province Igneous rock Basanite Phonolite Pyroclastic rock The Volcano Petrology Geology Igneous petrology		that of the interior, the absolute hardness of both has decreased with respect to the initial value, to an extreme degree in the tonalite and only moderately in the dolerite. This variety of differential weathering is be Add to Reading List Source URL: s3.amazonaws.com Download Document from Source Website File Size: 2,25 MB Share Document on Facebook

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