Abstract
Detrital chromian spinel is one of important minerals in paleogeographic reconstructions. Its host rocks, such as mafic to ultramafic rocks, occur in several types of tectonic settings. The chemical composition of the spinels provides specific information about the types of their source rocks in different tectonic settings. In this review, chemical characteristics of various mafic and ultramafic rocks are summarized in terms of chromian spinels. The geodynamic processes of host rock formation and emplacement to the source area could be interpreted by comparing the chemical compositions of detrital chromian spinels with those of the mafic to ultramafic rocks of the known tectonic setting.
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