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The term SiMa and SiAl are now outmoded terms (usually just Sima and Sial) relating to the crust materials.
Concepts dating from before sea floor spreading, and tectonic plates.
Sial indicates rich in silica and aluminium, and with a specific gravity of about 2.7.
Sima rocks contain silicon and magnesia, with an s.g. from 2.8 to 3.0. But including some ultrabasic rocks with an s.g. up tp 3.4.
Sial will be lighter, and float on the heavier sima.
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Which United State has MA as abbreviation?
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MA - United states postal abbreviation Mass - United States traditional abbreviation
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Is Massachusetts abbreviation MA?
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Which United State has MA as abbreviation?
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Abbreviation of Massachusetts?
MA is the abbreviation.
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What are the abbreviations for Massachusetts?
The abbreviation used for all purposes, including postal designation, for Massachusetts is MA.
What is Massechussetts state abbreviation?
The abbreviation for Massachusetts is MA.
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What is the abbreviation for Massachussetts?
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