De­cod­ing the ocean floor

The world's first dig­i­tal map of ocean floor shows an ex­otic trop­i­cal par­adise full of di­ver­sity

Down to Earth - - SCIENCE - KI­RAN PANDEY |

2014, when re­searchers at the Univer­sity of Cal­i­for­nia used satel­lites to build im­pres­sions of moun­tains—“seamounts”—which lie way be­low on the ocean floor.The study,which was pub­lished in Science, laid bare the lack of in­for­ma­tion on the buried tec­tonic struc­tures.

Sed­i­ment find­ings

We know more about the sur­face of the moon than the sur­face of the sea floor. But the find­ings of the new re­port can be con­sid­ered a long stride to­wards un­der­stand­ing the sea floor. The study for the first time found at least 80 dif­fer­ent sed­i­ment types, which were clas­si­fied into 13 ma­jor classes of marine sed­i­ments such as silt,clay,and di­atom ooze—

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