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ins.: 2020-05-18 04:55; ( Age: 4 yrs )
By: Scientists
Category: COSC_

COSC: 2020-05-16

COSC-2 reached 1000 m depth!
COSC-2 reached 1000 m depth!

COSC-2 reached 1000 m depth! The last tens of metres of drill core through various sandstones and conglomerates suggest strongly that we are drilling through a sliver of basement cover. Similar late Precambrian to early Cambrian sediments are known from small tectonic intercalations in the Lower Allochthon of the Alsen area, about 20-25 km east of the drill site. The exciting question is what we will find below, before we eventually will encounter the basal Caledonian décollement. The seismic site investigations suggest several hundreds of meters of imbricate units that most likely involve the lower part of the Lower Allochthon and possibly the sedimentary basement cover (like the rocks we just drill through). We will get an answer during the coming weeks.