UPPER CRETACEOUS. 163

Section of well at plant of Clarendon Waterworks Company, Hilton
Park, Wilmington, N. C., in part from samples on exhibition in glass
eases at the State Museum, Raleigh, N. C., where they were examined

- and described by the writer, and in part from the drillers’ records. The

 

Be fossils were determined by Dr. T. W. Stanton:

“a Cretaceous: -

ay THICKNESS

eas Peedee sand : IN FEET.

3 1... Gray, coarse sande a eee 0- 10

oa 2-3. Yellowish-brown, argillaceous sand..................-. 10- 30

a 4. Hard, gray, calcareous sandstone rock containing shell

i TMIPORSIOOS 5c. 8s aes bee Ce oe SY ed ee 30- 40
5. Pale yellow, calcareous sand, with small pieces of crushed

sandstone, containing Pecten sp., Ostrea sp., ete....... 40- 50

6. Loose, gray sand, containing casts of Cardium.......... 50- 60
%. Hard, gray; calcareous Sandstone. 20.000)... ee las oe 60- 70

8-35. Gray, calcareous, micaceous sand, varying slightly in con-
tent of lime and mica and also in color and coarseness,
Contains Echinoid fragments, Ostrea larva, Ostrea tec-
ticosta, Ostrea sp., Gryphaea vesicularis, Exogyra cos-
tata, Hxogyra sp., Anomia argentaria, Cyprimeria gp.,
Aphrodina tippana?, Cymbophora lintea, fragments of

other. bivalves; sharks’ teeth cio. 45:00 iGuie amare vale 70- 350
86-39. Light gray, loose, calcareous, micaceous sand, containing
ANOMIG OF VCTHOMG... . 265 RST. dae ee Bc ote 350- 390

40. Washings, depth 330 to 421 feed consisting of broken
shells and hard, gray, calcareous sandstone, Contains
indurated fragments of Ostrea subspatulata, Exogyra
costata, Baroda carolinensis, Cyprimeria depressa, sey-

; eral undetermined mollusks and sharks’ teeth.

41. Same as samples Nos. 36 to 39. Contains Hxogyra cos-

tata, Ostrea sp., undescribed species of Avicula or @er-

villia, Anomia, etc..... ‘NE cea Ais aes «..+. 390- 400
42-46, Fine, dark gray, ores argillaceous, asd eieits-
nitio Samd= 5.5 so5 aia nae oe oben Pa Ca .... 400- 450
47. Light gray, loose, Scnueens _ containing Sgidmneuits
Of Ostrea. soos sis PO he ETN a ee ee 450- 460

48. Gray, calcareous, micaceous, caccasiniibe sand with chunks
of gray clay, containing fragments of Osirea and
sharks’ teeth: Kos wnwe aia ite eee ae sino Fae = eee 460- 470
49. Washings, depth 421-485 feet, coradathnig of broken shells,
sharks’ teeth, and gray, calcareous sandstone, ——
Ostrea tecticosta, Anomia, lignite, ete.
50-52, Loose, gray, glauconitic, slightly micaceous sand, with
chunks of gray clay, containing lignite, Ostrea tecti-
costa, Ostrea sp., Exogyra costata, Anomia argentaria,
‘Anomia sp., Cardiwm sp., Corbula sp., sharks’ — and
fragments of turtle sheliss << scsa cesar ixiecee cde. oa STO BOO
58. Washings, depth 495-500 feet, consisting of hard, gray,
calcareous, fossiliferous sandstone, —