pre-history

Name ID 506

- 1,000

Original Khoi-San hunters and gatherers are disturbed

Ofcansky, Thomas P and Yeager, Rodger Historical Dictionary of Tanzania

Page Number: xvii

Extract Date: 1000 BC

See also

Extract ID: 1202

Original Khoi-San hunters and gatherers are disturbed by pastoral Cushistic migrations from Ethiopia.

- 8,000

Stone Bowl people

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 11

See also

Extract ID: 846

Pastoralists live in Serengeti and Ngorongoro - called the Stone Bowl people

- 17,000

homo sapiens

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 17,000

See also

Extract ID: 830

skeleton of homo sapiens found at Olduvai

- 100,000 to 0

Ndutu bed

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 100,000 to 0

See also

Extract ID: 831

only Lengai erupts - forming Ndutu bed.

- 100,000 to -30,000

faulting at Olduvai

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 100,000 to -30,000

See also

Extract ID: 832

severe phase of faulting at Olduvai. Foothills of Ngorongoro subside and become Olbalbal depression. River cuts through to form Olduvai Gorge.

- 400,000 to -100,000

Masek beds

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 400,000 to -100,000

See also

Extract ID: 833

ash from Kerimasi's eruptions form the Masek beds. Quartzite handaxes found.

- 800,000

Climate improves

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 800,000

See also

Extract ID: 834

Climate improves. Still evidence of home erectus

- 1,200,000

homo erectus

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 1,200,000

See also

Extract ID: 835

evidence of homo erectus appears, and Australopithicus boisei disappears. Climate becomes hotter and dryer

- 1,500,000

Lake Olduvai drains

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 66

Extract Date: - 1,500,000

See also

Extract ID: 836

Lake Olduvai drains because of earth movements and faulting, but a river flows through the area

- 1,750,000

Australopithicus boisei

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 65

Extract Date: - 1,750,000

See also

Extract ID: 837

Australopithicus boisei

- 1,890,000

Olmoti erupted

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 65

Extract Date: - 1,890,000

See also

Extract ID: 838

Olmoti erupted, and thick lava flows covered the area now occupied by Olduvai gorge. Lake Olduvai formed in the area

- 2,000,000

Main features of the area now formed

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 10

See also

Extract ID: 839

Main features of the area now formed

- 2,500,000

Ngorongoro collapses

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: - 2,500,000

See also

Extract ID: 840

Ngorongoro perhaps as big as Kilimanjaro, and collapses inward

- 2,500,000

Manyara rift is formed

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 10

See also

Extract ID: 841

Manyara rift is formed

- 3,600,000

Sadiman and Laetoli footprints

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: - 3,600,000

See also

Extract ID: 842

Sadiman erupts capturing the footprints at Laetoli

- 15M

Early rift

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: - 15M

See also

Extract ID: 843

Early rift obscured by lava from the volcanoes

- 20M

the Great Rift

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: - 20M

See also

Extract ID: 844

Crack developed - the Great Rift

- 70,000,000

African continent

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: - 70,000,000

See also

Extract ID: 845

African continent now in present shape and position

-200M

Pangaea

Hanby, Jeannette & Bygott, David Ngorongoro Conservation Area

Page Number: 08

Extract Date: -200M

See also

Extract ID: 829

supercontinent of 'Pangaea' starts splitting to form the continents

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