Chapter XXI: Appendix: I

Table of Stratified Rocks.

------------------------------------------------------------------------
Periods. | Systems. | Formations. |
------------+------------------+-------------------------------+--------
Quaternary. | {|Terrestrial, Alluvial, |
|=RECENT= {| Estuarine, and Marine Beds of |
| {| Historic, Iron, Bronze, and |
| {| Neolithic Ages |
| | |
| {|Peat, Alluvium, Loess |Dominant
| {|Valley Gravels, Brickearths | type,
| {|Cave-deposits |Man
|=PLEISTOCENE= {|Raised Beaches |
| {|Palæolithic Age |
| {|Boulder Clay and Gravels |
------------+------------------+-------------------------------+--------
CAINOZOIC. | {|Norfolk Forest-bed Series |
Tertiary. |=PLIOCENE= {|Norwich and Red Crags |
| {|Coralline Crag (Diestian) |
| | |
|=MIOCENE= |Oeningen Beds Freshwater, etc. |
| | |
| {|Fluvio-marine Series |
| {| (Oligocene) |Dominant
|=EOCENE= {|Bagshot Beds }(Nummulitic | types,
| {|London Tertiaries } Beds) |Birds
------------+------------------+-------------------------------| and
SECONDARY, | {|Maestricht Beds |Mammals
OR MESOZOIC.| {|Chalk |
|=CRETACEOUS= {|Upper Greensand |
| {|Gault |
| {|Lower Greensand } Neocomian |
| {|Wealden } |
|------------------+-------------------------------+--------
| {|Purbeck Beds |
| {|Portland Beds |
| {|Kimmeridge Clay |
| {| (Solenhofen Beds) |
|=JURASSIC= {|Corallian Beds |
| {|Oxford Clay |Dominant
| {|Great Oolite Series | type
| {|Inferior Oolite Series |Reptilia
| {|Lias |
|-------------- ---+-------------------------------|
| {|Rhætic Beds |
|=TRIASSIC= {|Keuper |
| {|Muschelkalk |
| {|Bunter |
------------+------------------+-------------------------------+--------
PRIMARY, |=PERMIAN or {|Red Sandstone, Marl } |
OR |DYAS= {|Magnesian Limestone, }Zechstein|
| {| etc. } |Dominant
PALÆOZOIC. | {|Red Sandstone and Conglomerate | type,
| {|Rothliegende |Fishes
| | |
|=CARBONIFEROUS= {|Coal Measures and Millstone |
| {| Grit |
| {|Carboniferous Limestone Series |
| | |
|=DEVONIAN & OLD {|Upper Old Red Sandstone |
| RED SANDSTONE= {|Devonian |
| {|Lower Old Red Sandstone |
| | |
|=SILURIAN= {|Ludlow Series |
| {|Wenlock Series |
| {|Llandovery Series |
| {|May Hill Series |
| | |
|=ORDOVICIAN= {|Bala and Caradoc Series |
| {|Llandeilo Series |
| {|Llanvirn Series |
| {|Arenig and Skiddaw Series |
| | |
|=CAMBRIAN= {|Tremadoc Slates |
| {|Lingula Flags |
| {|Menevian Series |
| {|Harlech and Longmynd Series |
------------+------------------+-------------------------------+--------
|=EOZOIC-ARCHÆAN= {|Pebidian, Arvonian, and |Dominant
| {| Dimetian | type,
| {|Huronian and Laurentian |Inverte-
| | | brata
------------+------------------+-------------------------------+--------