Bulletin 3. The flora of the Raritan Formation, 1911 - State of New ...

THE RARITAN FORMATION. 17
/_RAS PERIODS SECTION I_IA'I'ERIALS " BI_21C C_AIIAC.
Quaternary GlaciM products Appearance of man
Cenozoic Tertiary Sands and Clays Rise of ,_fammals
Cretaceous Sands, Clays and Riseof Angiosperms,
Gl_xcouite
Ab_teut
Reptiles TERS
SandslOlle$ alld
Mesozoic Triassic Shales
Extrusive and In- Age of Conifers
t_tsi_ i_wR _OWS
Permian Absent Pt eridophytes and
Primitive Seed-
Carboniferous plants of the Coal
Sandstones, Shales,
De_*otx[au IAmest0nes and Con- Ancestors of the
glomerates Coal Flora .
Paleozoic , Limestones. Shales The First Land
Silurian and Sandstones Plants
L{rnesigne S _1_
Ordovician Slates Marine Life
Qal_/brla_ Quartzites and N[ar_ne 1,ire
Limestones
2_
Indications of Of
Proterozoic Unknown but very great thickness of rocks ganlc Life
Arehmozoic embracing an enormous lapse of time
./'3g ,'.--Diagram Showing the sequence and reIative thickness of the Geological
divisions in New Jersey.
of the strata of the Rarltan formation, and could the duration
of geological time which has gone before it be expressed in
years, we would obtain a still more vivid picture of the comparative
youth of the Cretaceous period, evela though this is offset
with the reflection that the Cretaceous is removed several million
years from the present, ?nd the plants described in the following
pages antedate all of the higher animals, and were the
NEW JERSEY GEOLOGICAL SURVEY