BUILD­ING OF A CON­TI­NENT

Herald Sun - - NEWS -

AN­CIENT rocks in re­mote West­ern Aus­tralia have re­vealed how the tec­tonic plates of the Aus­tralian con­ti­nent were formed, a study has found.

Ura­nium-lead dat­ing of rock min­er­als re­vealed the land­scape of the East Pil­bara was formed 3.6 bil­lion to 3.4 bil­lion years ago.

Lead re­searcher Daniel Wiemer, from the Uni­ver­sity of WA, said the study was based on the old­est parts of the earth’s crust to be found in the re­gion. By recre­at­ing the event, re­searchers were able to wit­ness how plates were formed.

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