BF-1966-004-00_lithologic_log

NORTH CAROLINA DEP.AILTNENT OF WATER RESOURCES
#1 Lee Creek Test
Beaufort Co., N. C.
Depth
T. D. 950 feet
0-10' Sand, light gray to tan, sub -rounded argillaceous,
micaceous sparsely glauconitic and phosphatic,
fossiliferous, fine to coarse grained.
Me¢afauna (rare)
10-20A j.&nd, as above, but fine to very eoairso grained.
20-30' Sand, as above, with abundant iron stained pelecy,od,
astropod and barnacle fragments.
70 liartz sand and 30%, skeletal remains)
Megafi,xna (abundant)
gicrot-una (rare)
30-40' Sand, as above.
00`; quartz sand and 40% skeletal remains)
Caecum sp,
40-50' Sand, light gray, sub -rounded, argillaceous, micaceous,
glauconitic, very fossiliferous, medium to coarse grained.
liegatauna (abundant)
Microfauna (common)
lIemicythere conradi
Cushmanidea sp.
50-60' Sand, very light graay, sub -rounded, micaceous, slightly
glauconitic and phosphaatic, fossiliferous, fine to coarse
grained.
Megafauna (common)
Microfauna (rare)
60-70' 85�# as above.
15 % Marl, light gray, glauconitic, micaceous,
fossiliferous, slightly sandy.
k4ee_ aiauna and microfauna (abundant)
Amphistegina lossoni
Nonionella auris
Discorbis candeiana
Leauminocythereis whitei
70-80' Marl, as above.
Me¢af auna ( rare )
Microfauna (abundant)

80-900 80� Sandstone, light gray, tight, friable, very
calcareous, micaceous, argillaceous, fossiliferous,
slightly phosphatic, fine to medium ,grained.
15� Marl, as above.
5e1, small, composed of quartz and phosphate.
90-1000 60% 'iandatonet light gray, very friable sub -rounded
calcareous argillaceous, micaceous, phosphatic,
fassiliferous, fine to coarse grained. (very abundant
louse sand)
30'� Limestone, white to light gray, quartzose-phosphatic-
micritic.
101% Urayel, small, composed of phosphate.
total sample has approximantely 20% phosphate trains)
100-110' 80 Sand, 15A Limestone and 5% Gravel, as above.
total sample has approximately 40 phosphate grains)
110-120' 80 Sandi 54 Limestone and 5% Gravel, as above.
101 Dolomite, light greenish -gray, succrosic, phosphatic.
total sample has approximately 40-0-50% phosphate grains.)
120-1301 90 Sand, 5% Limestone, and b Gra-e , as above.
total sample has approximately 50 -604 phosphate grains)
130-140t Sand, as above.
140-150' 95 Sand, as above, but fine to coarse grained.
5 Gravel, composed of phosphate and quartz.
totaleample has ap roximately 15;1 phosphate grains)
Yegafauna (abundant
TOY EOCENE - CASTLE HAYNI. F01061TIoN
150-1601 50 Sand, and 5 Gravel, as above.
45 Limestone# white, leached, quartzose-micritic-
skeletal. 30% quartz sand and 15% skeletal grains)
Mezafsuns abundant)
160-1700 Sample At 5010 Send, light gray, sub -angular, to
sub -rounded, fine to very coarse grained.
404 Limestone, as above. (10% sand and 304#' skeletal grains)
16 Shale mudstone), very light gray mottled ochre, waxy.
Sample #2, 50% Limestone and 50 Sand, as above, with a
trace of small quartz Gravel.
170-180' Sample -J. Limestone, as above.
Sample ;�12. 65% Limestone, as above.
35`b Sand, light gray, sub -rounded, calcareous (brains
coated with soft micrite), medium to very coarse grained.

180-190' 70 Sand and 30`' Limestonep as above.
190-200' Sand and Limestone* as above.
200-210' Limestone. whitey porousp leachedq glauconitic-
uartzose-micritic-skeletal.
4 0 skeletal grains and 60 micritic cement)
210-220' 75A Sandi light grayp sub -rounded, calcareous (soft
mierite coating grains)p fossiliferousq medium to
coarse grained.
25% Limestonep as above.
220-230' 80`' Sand# as abovog but fine to coarse grained.
104 Limnestonet as above.
101� Sandstonep light -gray, porous, sub -rounded grains
very calcareous, slightly glauconitiev very fossiliferous,
fine to coarse grained.
230-240' 60% Sandstone# and 40% Limestone# as above.
240-250' 80 Sand# light grayp sub-roundedo slightly glaueonitic
and fossiliferousg fine to coarse grained.
10' Sandstone, as above.
10 Limestones as above.
250-260' 80g Limestone, and 20 Sand# cas above.
limestone contains 20% quartzmand and 30% skeletal
rpm ainsp and 50% micritic cement
260-270' Limestonev as above# but very glauconitic.
270-280' 8O% Limestonep white to light grayp slightly, glauconiticp
quartzose-skeletal-micritic.
20'" Sand# light grayp sub-roundedg fine to coarse grained.
limestone contains 700 loose skeletal grains, predominantly
megafaunalg and 304 micritic cement)
280-290' Limestonep as above, but skeletal.
less than 51� micritic cement)
290-300' Son Limestones as above.
10 Sands light grayp sub-roundedg fine to very coarse
grained.
300-310' . Limestone, as above.
310-320t Limestonev light grayp vuggyp quartzose-micritic-skeletal.
320-330' SO`a' Limestone, as above.
50� Sand, light gray# sub-roundedp glauconiticq fine to
coarse grained.

330-340' 60 Limestonep white to -light gray, quartzose-skeletal-
mieritic. 80 grain, and 20% mieritic cement)
40 'Sand, as above.
Meeafauna and microfauna (abundant)
Lchinoid elates and spines
Asterigerina texana
Bryozoa
340-350' 70% Limestone and 30 Sand, as above.
Buirdoppilata cf. B. delicatula
350-360' 85iro' Limestonev as above, but glauconitic.
15� Gravel, small composed of glauconite and phosphate.
360-370' 604 Limestone and 5'y Gravely as above.
35,E Sand. light grayp sub -angular to sub-roundedv glauconitict
fine to very coarse griA ned.
370-380 50;4 Limestonep 45i 6andf and 5 Gravely as above.
380-390' 604 Sand and 30% Limestone, as above.
10 Gravel, small, composed of quartz, glauconite and
phosphate.
390-400' 75Nand, 15;, Gravely and 10% Limestone, as above.
400-410' Sandy light gray, sub -angular to sub -rounded, glauconitico
very phosphatic, fine to coarse grained.
(total sample has approximately 30% phosphate grains)
410-420' 955 sand, as above# but fine to very coarse grained, and
very fossiliferous and glauconitic.
0% Sandstones light gray# tightq quartzitic, glauconitic#
fine to medium grained.
(total sample has approximately 15$ phosphate grains)
420-430' Sandl as abovep but fine to very coarse grained.
430-440' 60 Sand, very light gray, sub -rounded, calcareous
soft micrite coating grains)t fossiliferoust glauconitic,
fine to medium grained.
20% "Greensand", composed of dark green medium to coarse
glauconite.
20% Limestone, white, soft, glauconitic-quartzose-micritic-
skeletal.
Megafauna and microfauna (abundant)
440-450' 50% "Greensand", composed of dark green fine to very
coarse glauconite.
30% Limestonev as above.
20 Sand, as above.
Globieerina sp eudo-bulloides

450-460' 60 Sand, as above, but fine to coarse grained.
40 L mestone, as above.
Mezafauna abundant)
Yicrofauna (common)
TOY PALEOCENE - BEAUFORT FOaMATION
460-470' 0 Sand, light tan to ochre, sub -angular to sub -rounded,
Iron stained, glaueonitic, fossiliferous, fine to very
coarse grained. (soft -white micrite coating grains)
20% Limestone, as above.
470-480' band, and Limestone, as above.
Nodosaria sp. (fragment)
480-490' 70 Sand and 30 Limestone, as above.
Neuaf auna (abundant)
490-500' 50 Sand, as above.
�Limestone, white to light gray, glaueonitic-quartzose-
skeletal-micritic.
Ueaafauna and microfauna (abundant)
Eponides elevatus
Dentalina alabamensis
Anomalina midw.iyensis
500-510' Nand, light gray, sub -angular to sub -rounded, very
glaueonitic, fossiliferous, with abundant tan fecal
pellets, fine to very coarse grained.
510-520' Sand, as above.
50-0-530' Limestone, white to greenish gray, glaueonitic,
quartzose-skeletal-micritic. (70% rain, 30% micrite)
Upslaf auna and mi cre: auna ( abundant
TOP CRETACEOUS - PEEMEE FORMATION
530-540' Sand, pink to red, iron stained, sub -angular to sub -
rounded, limonitio, fossiliferous, fine to very coarse
grained.
Bairdoppilata pondera
540-550' _and, as above.
550-560' Sand, as above.
McRafauna (common)
Microfauna (abundant)
560-570' wand, as above, reddish -gray,
i;ucytherura eurta

570-580' 70% Sand, light gray, sub -angular to sub -rounded,
glauconitic, fossiliferous, fine to rnedium grained.
30` Marl, medium to light gray, shaley, micaceous,
glauconitic, sandy, very fossiliferous.
Velarocythere araehoides
580-590' 60 Sand, medium to light gray, sub -angular to
sub -rounded, argillaceous, micaceous, very fossiliferous,
glauconitic, fine grained.
204 Marl, as above.
20. Limonite, thin bedded, earthy.
Mejxafauna and microfauna (abundant)
590-600' Sand, as above, but fine to medium grained with common
gypsum crystals.
:Marl and Limonite, as above.
600-610 60% Sand, 35% Marl, and 5% Limonite, as above.
610-620' 701,L Marl, 25 Sand, and 5% Limonite, as above.
620-630' 95"'� as above, but fine to coarse grained.
5 Marl, as above.
Me, afauna (coL=on)
Microfauna (abundant)
630-640' 60 Sand, and 35% Marl, as above.
57 Limonite, thin bedded, earthy.
640-650' 75% Marl, 20 Sand, and 5;4 Limonite, as above.
Dorothia bulletta
650-600' Marl, as above, with sparse pyrite.
060-670' Marl, as above.
670-680' Sample missing.
680-690' Marl, as 660-6700, with sparse coarse glauconite grains.
690-700' Marl, as above, with an increase in glauconite content.
TOP BLACK CREEK FOWLITION - SNOW HILL MEMBER
700-710' 70% Marl, are above.
301, "Greensandi, composed of loose dark green medium to
coarse grained glauconite.
710-720' 80 Marl, as above.
10, "Greensand", as above, but with calcite cementing
grains.
10% sand, sub -angular to sub -rounded/ fine to coarse grained.
lfegafauna and microf auna (common)

720-730' 90 Yarl. as aboveg but becoming increasingly fissle.
10 Sand9 fine to course grainedg as above.
730-740' Marl and Sandq as above.
740-750' 60 Yarl9 as above.
40 Sands light grays sub -angular to sub -rounded,
glauconitict fossiliferous, fine to very coarse
grainedt with abundant gypsum crystals.
750-760' 00 Sand# as abovep but medium to very coarse grained.
Urly as above.
760-770' 80% Sand and 20% Marl, as above.
Cythereis verricula
770-780' 90 wand and 10 Marl# as above.
Kyphopyxa christneri
780-790' 0 Sandq as abovep but fine to very coarse grained.
10� Marlp as above.
Vauinulina taylorana
790-800' sand and Uarlq as above.
Drachycythere plena
800-810' GOA Sandq as above, with an increase in glauconite
content.
40 Yarlq as above.
810-820' 60% Sand and 40% Marlp as above.
820-830' 50` Sande, 401 Marl
10 "Greensand"q composed of medium to course brained
glauconite.
830-840' 70 Marlq and 30 Sandl as above.
840-850' 60 Sandq vari-colored# iron stainedp sub -angular to
sub-roundedo glauconiticv fine to very coarse grained.
40 Marlp as above.
Citharina tesana
850-860' 70'4 Sand and 30 Mur o as above.
860-870' Sand and Marl# as above.
870-880' Sand and Uarlp as above.
880-890' 50 Sand and 5014 Yurlp as above.
Yeaafauna (common
Yicrof auna (abundant)

N iv-
890-9000 TO Sand and 25 Marlt as above.
5 Gravel, smallp vari-colored, sub -angular to
sub -rounded highly fracturedg composed entirely of quartz.
900-910, Sandq Marl, and Gravel, as above.
910-9201 00 Sands and 40 Marl, as above.
Gravel (trace)
Citharina texana
Dryozoa
020-930' 501 Sando 30 Marl# and 20% Gravels as above.
930-940' 70 Sandq 201 Mar q and 5% Gravel, as above.
5 Sandstones medium grayp tight, very calcareous,
micaceousp glaueoniticq fossiliferoue, very fine to
fine grained.
940-9501 505 ;land. 40 Marl, and 10% Sandstonep as above.
Eao,apra op. (fragment)