How to use in-sentence of “precambrian”:
– The oldest rock is Precambrian metamorphic rock that forms the core of the North American continent.
– I was already interested in geology and knew that the rocks of the Charnian Supergroup were Precambrian although I had not heard of the Australian fossils.
– It is the first fossil ever described from undoubted Precambrian rocks.
– The Burin Peninsula is part of the Avalon Zone of the Appalachian Orogen, a late Precambrian episode of mountain-building.
– The Lewisian complex or Lewisian Gneiss is a suite of Precambrian metamorphic rocks that outcrop in the northwestern part of Scotland, forming part of the Hebridean Terrane.
Example sentences of “precambrian”:
– The boundary between the Precambrian and Cambrian is marked by the presence of trace fossils of “Treptichnus pedum”, one of the earliest animals.
– The mountains are made of a very old Precambrian Rock rock known as the formation.
– They consisted largely of Precambrian metamorphic rock forced upward through layers of the limestone laid down in the shallow sea.
– 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.
– Secondly, “Charnia” has become an enduring image of Precambrian animals.
– However, in general, the rate of evolution in the Precambrian was very slow, with many cyanobacterial species lasting unchanged for billions of years.
– Older Precambrian gneiss is in the north.
- The boundary between the Precambrian and Cambrian is marked by the presence of trace fossils of "Treptichnus pedum", one of the earliest animals.
- The mountains are made of a very old Precambrian Rock rock known as the formation.
– There is also Precambrian sedimentary argillite, dating back to 1.7 billion years ago.
– Banded iron formations are a distinctive type of rock often found in Precambrian sedimentary rocks.
– The Basement basement of folded metamorphic shales intruded by the Cape Granite are of late Precambrian age.
– Late Precambrian and early Cambrian metazoa: preservational or real extinctions? In “Patterns of change in Earth evolution” eds Holland H.D Trendall A.F.
– The island is formed from rocks of the late Precambrian Gwna Group, part of the Monian Supergroup.