Phanerozoic Eon (Cenezoic Era_ 66.5 -recent)

Question 1

Cenezoic Era is also known as

Answer 1

Mammal’s Era

Question 2

Paleogene ( 66.5 - 23 ma) is a subdivision of tertiary period. This period is divided into three namely as;

Answer 2

Paleocene ( 66.5 - 55.8 ) and Eocene (55.8 - 33.9 ma ) and Oligocene (33.9 - 23)

Question 3

Alpine Orogeny - Late Mesozoic (Eoalpine) and the current Cenezoic that has formed the mountain ranges of the Alpine Belt (66 ma).

Answer 3

Paleocene Epoch ( 66.5 - 55.8 ma )

Question 4

First primates apperance of placental mammals

Answer 4

Early paleocene

Question 5

Closing of western tethys

Answer 5

Paleocene Epoch ( 65.5 - 55.8 ma )

Question 6

Deccan Traps in western India

Answer 6

Paleocene Epoch ( 66.5 - 55. 8 ma )

Question 7

Formation of Rocky Mountains

Answer 7

Paleocene Epoch ( 66.5 - 55.8 ma )

Question 8

Green house Earth - Warmest temperature due to the abundance of oxygen. It is the maximum temperature of Paleocene to Eocene epoch

Answer 8

Paleocene (65.5 - 55.8 ma )

Question 9

First apperance of Horse

Answer 9

Eocene epoch (55.8 - 23 ma )

Question 10

Himalayan orogeny - closing of tethys

Answer 10

Eocene epoch (55.8 - 23 ma )

Question 11

First appearnces of whales, Bats, Elephants, Penguins

Answer 11

Eocene epoch (55.8 - 33.9 ma )

Question 12

India meets asia forming Himalayas (50-40 ma)

Answer 12

Eocene epoch (55.8 - 33.9 ma )

Question 13

Dawn of life

Answer 13

Eocene epoch (55.8 - 33.9 ma )

Question 14

La Garita Caldera, San Andreas Fault, Circum Pacific Belt.

Answer 14

Oligocene

Question 15

Early antartic Glaciation

Answer 15

Oligocene ( 33.9 - 23 ma )

Question 16

Baikal Rift, Red Sea (25 ma ).

Answer 16

Oligocene Epoch (55.8 - 23 ma )

Question 17

Neogene era (23 - 2.6 ma ) is composed of two epochs namely as;

Answer 17

Miocene (23 Ma - 5.3 ) and Pliocene ( 5.3 - 2.6 ma)

Question 18

First apperances of Dog, Antelope, Bear, Giraffe, Dear, Megalodons, racoons

Answer 18

Miocene (23 - 5.3 ma )

Question 19

Forests give way to grasslands

Answer 19

Miocene (23 - 5.3 ma)

Question 20

African - Arabian plate joined Asia

Answer 20

Miocene (23 - 5.3 ma )

Question 21

Quatenary Ice age separates two eras namely as;

Answer 21

Tertiary( Paleogene and Neogene) and Quaternary

Question 22

Quaternary ( 2.6 *)is composed of two epochs namely as;

Answer 22

Pleistocene (2.6 - 0.01 ma ) and Holocene ( 0.01 ma)

Question 23

” Ice Age Bering land bridge “ ( 2.58 ma) connecting Alaska to Siberia

Answer 23

Pleistocene epoch ( 2.6 - 0.01 ma )

Question 24

Age of Humans

Answer 24

(0.01 ma - recent)