Bulletin 23. Potash in the Greensands of NJ, 1923 - State of New ...

_4 GRF_NSANDS OF NEW ffRP_EY'.
The data of holes5 to 7 are summarized in thefollowingtable:
Thickness and quality of greensand beds a_ holes 5 to 7, Woodstown.
Sample,
Thick- Average
, ¢c_te_t
Hole. Bed. ,Thiclrnes_ n_ of
No. , repre- KsO. of bed. IK_O.a
i se_l t¢A_.
_L i?1.ptr c_. _t.t_ per ce_2.
Overburden .............................................................. 7 11 ..........
Or_ym_rl .................................. M--9..... 12 9 6,48 12 _ 6.48
Gree_murl ................................. M*10.... 8 7 7.56 8 ) 7.56
Choeolaternarl ............................. M-It .... 10 4 7)14 10 4 7.11
Overblzrden............................................................... 10 ..........
M~I2 .... 8 4 5. 74
Gray marl.................................. M-I_.... 2 2 & 79 b& 75
'_F-ii-::: a _ _.gs
• ' Gree_t marl ................................. M-15
M-16....
.... 5
4 7
7,
7._
g8 7. 67
M_-17.... 5 5 %76
Chocolatemgxl............................... M-19_£-18
.... 3t g 7.'95 _ } 6,17
Overburden ............................................................... ,
M-20.... 4 8 5,661
M-22.... 5 1O 6.48
Oreenmarl ..................................
_(-23
M-25....
.... 2
5 g
7
.: ¢7.39
Gray _m_r[................................... M-2t ............. 1 O .......... 5,62 _/ 6,07
M-_J.... 5 fi.6_ |
Choeohte marl ............................... M-27 .... g _74
Average:
Overhurdela ...................................... : ..........
M~'Aq.... ......... 32
_ ..... _:_y ao._
Gray :mexl ................................................... • 6, lg
Oreet_ marl ............................................................ ,_7. 58
Cllo_ol_ te marl ......................................................... ' e6, 89
i
I f6,80
a Average Iorbed weightedaccordingto the tl_tekne_ses representedby therespe_i_ sampiem
Averago lor 1Ofeet g inches.
r Average for7 feet6 i_tehes.
Average for 7 feet 9 Lrtches.
c Average for bed in g£-acre tract weighted according to thiekne_s at the respoctiv_ holes.
f Average for endra thickness of marl m the 2Z_aere tract.
DATA,
A number of wells drilled in the vicinity of Woodstown furnish
supplementary data regarding the thickness of the overburden and
of the marl. Three of these wells (at localities 15 to 17) were sunk
during the field investigation by the Survey party.
J_ecord of well of Joseph Allen a_ locality 15, near Woodstown.
[W_llizl.lrailesg. 84° W. ofrailroedstatio_,onnorthsideofroad. ElevatIo_ about50te_t;dl_meteG
6 inch,; dept h, 105 feet. $_5eph Allea, _fo/mant; C, C. Holladay, drillar.
heSS.
Depth.
_'eai_
_r_etie '
OverbUrden largely yellowish-gray clay with some gravel;
white quartz pebbles _s much as 1 inch hx diameter oa
Plelstoeene.
dump.
Marl ........................................................ 58 71 VineeRtown
Navesi_k.
(?) to
Sand; bottom ol well in whito _a_d ......................... Thick/ 105 Mount Formation. Laurel and
Wenonah.
NEW JERSEY GEOLOGICAL SURVEY