grenville orogeny उदाहरण वाक्य

उदाहरण वाक्य

1. The Highland Province consists of the remnants of a billion year old mountain range that stretched from Newfoundland to Mexico on the edge of the North American continent and was created in the Grenville Orogeny.
2. The origin of the Town Mountain granite-- tightly-dated to late Mesoproterozoic times-- is a minor mystery, stemming from a debate over whether or not it is related to the Grenville orogeny.
3. Approximately 1 billion years ago a metamorphic change occurred during an event called the Grenville Orogeny and caused the rocks, which were originally sediment, to compress into a form of rock called gneiss due to heat and pressure.
4. According to Rino and co-workers, the sum of the continental crust formed in the Pan-African orogeny and the Grenville orogeny makes the Neoproterozoic the period of Earth's history that has produced most continental crust.
5. Like the rest of the southern Blue Ridge Mountains, the area surrounding the lake consists of many valleys, ridges and mountains formed by repeated plate tectonic movement and collisions, starting with the Grenville Orogeny nearly 1.5 billion years ago.
6. Ancient miogeoclines such as the Neoproterozoic to Cambrian Cordilleran miogeocline of the southwestern U . S ., the Paleozoic Appalachian miogeocline, the Precambrian Belt Supergroup of Montana and Idaho and the Huronian sediments of Canada which were involved in the Grenville Orogeny.
7. DePaolo ( 1981 ) argued that these TDM model ages would yield a more accurate age for crustal formation ages than TCHUR model ages  for example an anomalously low TCHUR model age of 0.8 byr from McCulloch and Wasserburg s Grenville composite was revised to a TDM age of 1.3Byr, typical for juvenile crust formation during the Grenville orogeny.