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Definisi 'dolerite'
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English to English noun
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A dark-colored, basic, igneous rock, composed essentially of pyroxene and a triclinic feldspar with magnetic iron. By many authors it is considered equivalent to a coarse-grained basalt. |  | source: webster1913
| 2 |
A dark, crystalline, igneous rock, chiefly pyroxene with labradorite. | | source: webster1913
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