Table 1. Modified listing of geologic unit symbols, names and ages, and
general colors used to depict the units (from youngest to oldest, as
shown in the map's Description of Map Units). Colors for the base map
also are listed.

**Map-Unit**

**Symbol or General**

**[Element Unit Name and Age Color]{.underline}**

**MAP UNITS OF THE COASTAL PLAIN PHYSIOGRAPHIC PROVINCE**

MANMADE DEPOSITS

cb Cranberry bog Green

af Artificial fill Brown

ds Dredge spoil Brown

amt Ilmenite mine and pit spoil Gray

amg Glass sand mine and pit spoil Gray

amsg Sand and gravel pit spoil Gray

amc Claypit spoil Brown

MODERN DEPOSITS

Qb Beach deposits (Holocene) Orange

Qa Alluvium (Holocene) Yellow

Qm Salt-marsh deposits (Holocene to Pleistocene) Green

Qs Swamp deposits (Holocene to Pleistocene) Green

EOLIAN DEPOSITS

Qe Dune field deposits (Holocene to Pleistocene) Blue

MARGINAL-MARINE DEPOSITS (WARM CLIMATE, HIGH SEA LEVEL)

Cape May Formation (Pleistocene)

Qcm~1~ Unit 1 (early Wisconsinan? to late Sangamonian) Light green

Qcm~2~ Unit 2 (late Sangamonian) Light green

Qcmbl Barrier-lagoon facies (late Sangamonian) Tan

Qcm~3~ Unit 3 (early Sangamonian) Light green

Qcmb Beach-barrier facies (early Sangamonian) Pattern

Qcm Cape May Formation, undivided (early Wisconsinan? to early
Sangamonian) Light green

FLUVIAL DEPOSITS (COLD CLIMATE, LOW SEA LEVEL)

Qvl Fluvial deposits at Van Sciver Lake (late Wisconsinan) Orange

Qsl Fluvial deposits at Spring Lake (Sangamonian) Orange

WEATHERED MATERIALS AND TERRESTRIAL DEPOSITS

Slope and valley deposits

Qca~1~ Colluvium and alluvium unit 1 (Pleistocene) Grayish brown

Qca~1b~ Braided-channel deposits (Pleistocene) Grayish brown

Qca~1d~ Debris-flow and alluvial-fan deposits, undivided (Pleistocene)
Grayish brown

Qca~2~ Colluvium and alluvium unit 2 (Pleistocene) Grayish brown

Qca~3~ Colluvium and alluvium unit 3 (Pleistocene) Orangey brown

Qca~4~ Colluvium and alluvium unit 4 (Pleistocene) Orangey brown

Qca~5~ Colluvium and alluvium unit 5 (Pleistocene) Orangey brown

QTcau Colluvium and alluvium, undivided (Pleistocene to Miocene) Orangey
brown

Hilltop regolith

QTrf Leached residuum of the Freehold uplands (Quaternary and Tertiary)
Pink

QTrw Leached residuum at Warrens Grove (Quaternary and Tertiary) Pink

Ts Silcrete (Tertiary) Black dots

MARINE, MARGINAL-MARINE, ESTUARINE, DELTAIC, AND FLUVIAL DEPOSITS

Tu Unnamed unit beneath Cape May Peninsula (upper Pliocene?) Orangey
brown

Tps Pensauken Formation (Pliocene? to upper Miocene?) Pink

Tbr Bridgeton Formation (Miocene) Pink

Tbrg Channel bar forms Pattern

Tch Cohansey Formation (Miocene) Pinkish gray

Tchd Upper delta-front facies Grayish pink

Tchg Fluvial gravel facies Pattern

Tkw Kirkwood Formation (Miocene) Grayish pink

OLDER ROCKS

TKu Marshalltown Formation to Shark River Formation, undivided (Upper
Cretaceous to Eocene) Green

Kw Woodbury Formation (Upper Cretaceous) Green

Ku Potomac Formation to Merchantville Formation, undivided (Upper
Cretaceous) Green

PlPzw Rocks of the Wilmington terrane (Paleozoic and Proterozoic) Olive
green

**MAP UNITS OF THE PIEDMONT PHYSIOGRAPHIC PROVINCE**

MANMADE DEPOSITS

af Artificial fill Brown

amd Diabase quarry pit and tailings Brown

EOLIAN, ALLUVIAL, AND SLOPE DEPOSITS

Qe Eolian sand deposits (Holocene and Pleistocene, late Wisconsinan)
Blue

Qa Alluvium (Holocene and Pleistocene, late Wisconsinan) Yellow

Qalb Boulder-lag deposits (early Holocene and late Pleistocene, late
Wisconsinan) Pale orange

Qdi Alluvium at Duck Island (early Holocene and late Pleistocene, late
Wisconsinan) Yellow

TERRACE DEPOSITS

Qml Millstone terrace deposits (early Holocene and late Pleistocene,
late Wisconsinan) Purple

Qst Stream-terrace deposits (early Holocene and late Pleistocene, late
Wisconsinan) Orange

Qaf Alluvial-fan deposits (Pleistocene) Purple

Qstu Upper stream-terrace deposits (Pleistocene) Orange

COLLUVIAL DEPOSITS

Qcs Sandstone-, siltstone-, conglomerate-, or shale-clast colluvium
(Holocene to Pleistocene) Brick red

Qcd Diabase-block colluvium (Holocene to Pleistocene) Purple

Qcb Basalt-block colluvium (Holocene to Pleistocene) Purple

Qcal Colluvium and alluvium, undifferentiated (Holocene to Pleistocene)
Yellow

GLACIAL MELTWATER DEPOSITS

Qrdl Delaware terrace deposits (Pleistocene, late Wisconsinan) Bright
red

Qlbr Brainards outwash deposit (Pleistocene, Illinoian) Orangey red

Qps Stratified deposits (Pleistocene, pre-Illinoian) Olive green

SAPROLITE, RESIDUUM, AND ROCK RUBBLE

Qsw Residuum, quartzite and conglomerate, saprolite, and rock rubble
(Holocene and Pleistocene) Orangey pink

Qrdh Diamicton at Rocky Hill (Pleistocene) Bright orange

QTdw Sandy silty diabase saprolite and rock rubble (Pleistocene to
Miocene) Purple

QTbw Clayey silty basalt saprolite and rock rubble (Pleistocene to
Miocene) Purple

OLDER ROCKS

JTru Bedrock (Jurassic and Triassic) Dark green

BASE MAP

Drainage Cyan

Topography Brown

Roads and cultural features (town and geographic feature labels) Gray