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Relics of Primeval Life: Beginning of Life in the Dawn of Geological TimeDawson, John William, Sir

Science

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time

Name: Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time
Author: Dawson, John William, Sir

Dawson, John William, Sir

Eozoon canadense; Geology, Stratigraphic -- Precambrian; Life -- Origin; Paleontology -- Canada; Paleontology -- Precambrian

Geological             Invertebrates.     Vertebrates.   Plants.
   Systems or
     Periods.            P C E W M A I L  G T B R D B M P H  A L P
                       +------------------------------------------+
  Kainozoic.           | ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖ ‖ ‖ ‖   ‖ ‖ ‖ ‖  ‖ ‖ ‖|
    { Cretaceous    ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖ ‖ ‖ ‖ ‖ ‖ ‖      ‖ ‖ ‖|
    {                  |-‖-‖-‖-‖-‖-‖-‖-‖--‖-‖-‖-‖-‖-‖-‖------‖-‖--|
    { Jurassic      ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖   ‖ ‖ ‖ ‖ ‖      ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-‖-‖--‖---‖-‖-‖---‖------‖-‖--|
    { Triassic      ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖   ‖ ‖ ‖   ‖      ‖ ‖  |
                       |-‖-‖-‖-‖-‖-‖-‖-‖--‖---‖-‖------------‖-‖--|
  Palæozoic.           | ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖   ‖ ‖            ‖ ‖  |
    { Permian       ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖   ‖ ‖            ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-‖-‖--‖---‖--------------‖-‖--|
    { Carboniferous ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖ ‖  ‖   ‖              ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-‖-‖--‖------------------‖-‖--|
    { Devonian      ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖    ‖                  ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-‖----‖------------------‖-‖--|
    { Silurian      ...| ‖ ‖ ‖ ‖ ‖ ‖ ‖    ‖                  ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-------------------------‖-‖--|
    { Ordovician    ...| ‖ ‖ ‖ ‖ ‖ ‖                         ‖ ‖  |
    {                  |-‖-‖-‖-‖-‖-‖-------------------------‖----|
    { Cambrian      ...| ‖ ‖ ‖ ‖ ‖ ‖                         ‖    |
    {                  |-‖-‖-‖-‖-‖-‖-------------------------‖----|
    { Etcheminian   ...| ‖ ‖ ‖ ‖ ‖                           ‖    |
                       |-‖-‖-‖-‖-----------------------------‖----|
  Eozoic.              | ‖ ‖   ‖                             ‖    |
    {   Huronian    ...| ‖     ·                                  |
    {                  |-‖----------------------------------------|
    { Laurentian.      | ‖                                        |
    {   Grenvillian ...| ‖                                        |
    {                  |------------------------------------------|
    {   Archæan     ...|                                          |
                       |                                          |
                       +------------------------------------------+


Note.--It is not supposed that the Geological Periods were of equal
lengths, as represented in the diagram.


ERRATA.

Where _Cryptozoon prolificum_ occurs in the text, read _Cryptozoon
proliferum_.

[Transcriber Note: Errata Corrections HAVE BEEN applied to text!]




                                   I

        _THE CHAIN OF LIFE TRACED BACKWARD IN GEOLOGICAL TIME_

Public-domain text, read in full here on John Shaqi.

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time — John Shaqi

Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time

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