Outrageously Funny Word Dictionary :: Preoceanic

👉 In geology, "preoceanic" refers to a region or layer of the Earth's crust that is still relatively young and unformed. It was formed before the formation of the ocean floor, which is where most marine life evolved. The preoceanic layer is composed primarily of silicate rocks (such as quartz and feldspar) and is believed to have been formed by erosion or tectonic activity long ago. The presence of these rocks in this region suggests that the

preoceanic