oa Hydrothermal Alteration of Cambro-Ordovician Carbonates of North America: Lessons for the Palaeozoic Carbonates of SE Asia

Hydrothermal reservoirs and the related Mississippi Valley-Type mineral deposits (MVT) display a broad distribution in time and space, but are most abundant and prolific in North America. Hydrothermal alteration often is not recognized, distinguished, or even considered in the hydrocarbon provinces worldwide. With the exception of Nang Nuan, hydrothermal reservoirs are unreported in the Paleozoic (and younger) rocks of SE Asia. This is perhaps due to failure to appreciate and distinguish hydrothermal fabrics.