How to use in-sentence of “gneiss”:
– The minerals in gneiss may come from rocks which were originally either igneous or sedimentary.
– The oldest rock formation on Earth may be the Acasta Gneiss in the Canadian Shield in the Northwest Territories, Canada.
– A few zircons at least 4.3 billion years old have been found in the Narryer Gneiss Terrane in Western Australia.
– Paragneiss is gneiss got from sedimentary rock.
– The Acasta Gneiss within the Canadian Shield have been dated to be 4.03 Ga and are therefore the oldest preserved rock formations.
– Orthogneiss is gneiss got from igneous rock.
– The Lewisian complex or Lewisian Gneiss is a suite of Precambrian Metamorphic rockmetamorphic rocks that outcrop in the northwestern part of Scotland, forming part of the Hebridean Terrane.
