ordovician period उदाहरण वाक्य
उदाहरण वाक्य
- These fast-moving low-level epifaunal carnivores lived during the middle Devonian and Ordovician periods from 460.9 to 383.7 Ma.
- These layers were the result of an Ordovician Period sea which covered east-central Minnesota 500 million years ago.
- It was caused by a ca . 200-meter-wide meteorite impact during the Middle Ordovician Period, 470 million years ago.
- The land around the Chronister home and dig site sits atop sandstone from the Lower Ordovician Period or Canadian Epoch.
- An algal scum formed on the land, but it was not until the Ordovician Period, around, that land plants appeared.
- The Ordovician Period in Britain was traditionally broken into Early ( Tremadocian and Arenig ), Middle ( Ashgill ) epochs.
- It lived during the later part of the Arenig stage of the Ordovician Period, approximately 478 to 471 million years ago.
- Tennessee marble was formed from the accumulation of bryozoan and other primordial marine lifeforms 460 million years ago, during the Ordovician period.
- The major rocks of the Kitzb�hel Alps divide into two groups by age, the older rocks probably dating to the Ordovician period.
- The Taconic mountain range was formed from the collision of the North American Plate into a Ordovician period, around 440 million years ago.