Science |
Theosophy |
|
| Began (years BP) | Began (years BP) |
|
| Phanerozoic eon | ||
| Cenozoic era | ||
| Quaternary period: | ||
| Holocene epoch | 11,700 |
|
| Pleistocene | 2,588,000 |
1,090,000 |
| Tertiary period: | ||
| Pliocene | 5,333,000 |
1,870,000 |
| Miocene | 23,030,000 |
3,670,000 |
| Oligocene | 33,900,000 |
5,280,000 |
| Eocene | 56,000,000 |
7,130,000 |
| Palaeocene | 66,000,000 |
7,870,000 |
| Mesozoic era | ||
| Cretaceous | 145,000,000 |
16,000,000 |
| Jurassic | 201,300,000 |
28,000,000 |
| Triassic | 252,170,000 |
44,000,000 |
| Palaeozoic era | ||
| Permian | 298,900,000 |
74,000,000 |
| Carboniferous | 358,900,000 |
110,000,000 |
| Devonian | 419,200,000 |
148,000,000 |
| Silurian | 443,400,000 |
179,000,000 |
| Ordovician | 485,400,000 |
214,000,000 |
| Cambrian | 541,000,000 |
250,000,000 |
| Proterozoic eon | 2,500,000,000 |
1,120,000,000 |
| Archean eon | 4,000,000,000 |
1,890,000,000 |
| Hadean eon | 4,600,000,000 |
2,170,000,000 |
According to theosophy, the fourth round of the earth’s evolution began about 320 million years ago, at the end of the Proterozoic. The corresponding scientific date is about 640 million years ago.
Sources:
2013 International Stratigraphic Chart, stratigraphy.org/ICSchart/ChronostratChart2013-01.pdf
H.P. Blavatsky, The Secret Doctrine, TUP, 1977 (1888), 2:68-70, 709-15
Frederick J. Dick and William Scott, ‘The age of the earth’, The Theosophical Path, April 1919, pp. 369-79
David Pratt, Geochronology: theosophy and science and Secret cycles, davidpratt.info
Problems with radiometric dating:
G. de Purucker, The Esoteric Tradition, 2nd ed., TUP, 1940, pp. 324-7 (ch. 10), 453-4 (ch. 14), 760 (ch. 25)
David Pratt, The age of earth, davidpratt.info
Last revised: March 2013.
Rounds and manvantaras: an outline