280 मिलियन से 230 मिलियन साल पहले; सरीसृप

Noun:

स्‍तरों की पुराकल्‍पीय श्रृंखला के सब से ऊपरी भाग से संबद्ध जिसमें पुराने लाल बलुआ पत्‍थर और मैगनीशिया के चूने के पत्‍थर होते है, पर्म (रूस के एक प्रदेश) का, पर्मियन,

permian's Usage Examples:

East of Bolsover, the Coal Measures are covered unconformably by the Permian breccias and magnesian limestone.

East of Bolsover, the Coal Measures are covered uncomformably by the Permian breccias and magnesian limestone.

Some of the deposits appear to be of Permian age, but others are probably Jurassic; and they are all included under the general name of the Angara series.

Russia, rich in salt-springs, but very poor in fossils, are now held by most Russian geologists to be Triassic. The Permian deposits contain marine shells and also remains of plants similar to those of England and Germany.

by thick Permian and Triassic strata.

The latter is, no doubt, identical with the similar sandstone series which is found in the neighbouring Brazilian province of Rio Grande do Sul, and which has there yielded plants which prove it to belong to the Permian or the upper part of the Carboniferous.

At Bajo de Velis, in San Luis, the plants belong to the " Glossopteris flora," which is so widely spread in South Africa, India and Australia, and the beds are correlated with the Karharbari series of India (Permian or Permo-Carboniferous).

Both to the east and to the west of this depression the Archean and Palaeozoic rocks which form the greater part of the island are strongly folded, with the exception of the uppermost beds, which belong to the Permian system.

The Permian limestones and marls occupy a strip in E.

Russia and in the Upper Carboniferous and Permian periods it was confined to the E.

permian's Meaning':

from 280 million to 230 million years ago; reptiles