A Natural Resource Management Guide for the County of Morris A ...

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r
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r
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i
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P
e
ia
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O
r
d
b
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ia
C
a
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Middle
Proterozoic
o
c
E
p
Upper
Ordovician
Middle
Ordovician
U
p
d
le
M
id
e
r
O
L
o
w
b
r
ia
C
a
m
b
r
ia
C
a
m
b
r
ia
w m
o a
C L
S
u
p
K
ita
Rickenbach
Dolomite
Ju
tla
(n
o
t
dolomite
sandy
(Rickenbach)
limestone,
shale,
(Jutland)
chert
quartzite, conglomerate
arkosic
(Hardyston)
metasedimentary rocks including the
quartzofeldspathic and calcareous
sodic gneissic and granitoid
highly
amphibolite
rocks;
water occurs along
Ground
surfaces, joints, faults,
bedding
cavities, intergranular
solution
and other openings
spaces,
water occurs in joints,
Ground
foliation surfaces, solution
faults,
and other openings.
cavities,
Precambrian rocks are
“The
unproductive aquifers
generally
where they are fractured
except
weathered. The more
or
aquifers of the
productive
are the glacial deposits
Highlands
some of the Paleozoic
and
Table One - Proterozoic and Paleozoic Rock in Morris County
h
d
Hydrogeologic
Predominant Lithology
a
Stratigraphic Unit
Characteristics
slate, siltstone, graywacke
Martinsburg Formation
limestone,
Jacksonburg Limestone
argillaceous
)
limestone
p
u
ic
o
v
r
o
g
r
dolomite,
e
p
u
ia
n
ic
v
r
d
o
S
Ontelaunee limestone
y
, n
Formation
(Ontelaunee,
tin Epler)
its
n
ita
u
e K
Epler
p f
lip o
Formation
k r
t
a
p d
n
eekmantownGroup B p
u
o
r
g
r
e
ic
tin
n
y
n
r
e
dolomite, calcareous sandstone
p
Allentown Dolomite
n
n
Leithsville Formation
dolomite, calcareous shale
n
e
r
Hardyston Quartzite
granite, quartz syenite, syenite,
Byram Intrusive Suite, Lake Hopatcong Intrusive
quartz monzonite, monzonite, and
Suite,
granodiorite
Mount Eve Granite
Metasedimentary rocks
Franklin and Wildcat Marbles
Losee Metamorphic Suite
sedimentary rocks.”*
Sources: New Jersey Geological Survey, Information Circular 1, 1990;
*NJGS, Geologic Map of NJ, 1984.
53
Ground Water