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

RARITAN FORMATION--DESCRIPTION. I9
along a subsiding estuary shore line. Comparable deposits are
being laid down at the present time in Delaware Bay, Chesapeake
Bay, the Gulf of California, and similar mo,re or less land-locked
esmarine bodies of water. The preserved fauna, while comparatively
meager, shows fresh or brackish aquatic types with local
instances of strictly marine forms which show that the country
was low-lying and not much above sea level and subject to occasional
inroads of the "ocean waters. While it is not feasible to
Nezv 3erse F Plant
Period. Formation. Beds. Section. Localities.
Laminated
sands and Cliffwaod, I_[organ,
Magothy. Cliffwood Kinkora, etc,
clRys.
Amboy . Pensauken Creek
stoneware (FIylton Pits).
cla.y.
Sand bed
No, 3,
South
Amboy.
U_ South Amboy
fire-clay.
©
k2
Raritan.
Sand No. bed 2,
\Voodbridge Woodbridge, Florida
Grove, Sayreville,
club's'
Perth Amboy.
Sand bed
.x_To. 1.
map the shifting members of the Raritan formation, it is still
possible, especially in Middlesex County, where so many openings
have been made, to divide the formation into the seven
members shown diagrammatically in Figure 2. The basal con-
Raritan potters'
and pla_
[ tle e_ays. Milltown.
Newark. Newark shales.
_
° lknlf_rd, goot_ton,
b __ etc.
Fig. 2.--Ideal getaeralized columnar section of the Raritan and adjacent
formations in Middlesex county, showing levels from which fossil plants have
heen collected.
NEW JERSEY GEOLOGICAL SURVEY