silurian period उदाहरण वाक्य
उदाहरण वाक्य
- These are the most complete strata in eastern North America of the Ordovician and Silurian periods.
- Then comes the Criadero Quartzite in the Almaden area at the base of the Silurian Period.
- During the Silurian Period ( 420 to 405 MYA ) a shallow sea spread across Indiana.
- By the end of the Silurian period, approximately 420 million years ago, the ocean had disappeared.
- This genus is known from the Silurian period.
- The exposed section in the Ludlow Series of the Silurian period spans the Gorstian and Ludfordian stages.
- The later Silurian Period saw the creation of limestone and shale, visible along the southern Marloes peninsula.
- The main rock formations in the watershed of Miller Run are sedimentary rocks from the Silurian period.
- These rocks are from the Silurian period.
- The rocks provide an insight into the environmental conditions at the boundary between the Ordovician and Silurian Periods.