174 The American Geologist. September, 1903. 
3. Loose strata of slightly lithificd clays and sands 40 
Carboniferous : 
4. t Red gypsiferous shales, with sandstone and limestone 1360 
Total 1610 
Section 4. Section in government well at Jemez, New Mexico 
(from the February number of the Amer. Geologist for 1903). 
1. Adobe clay at surface 9 feet 
2. Cross-bedded sand 4 " 
3. Adobe clay, an old forest ground 6 " 
4. Whitish-yellow clay with fresh water gasteropod shells 
that are apparently the same as species now living 6 in. 
5. Crossbedded loose sand 1 foot 
6. Conglomerate in which the prevailing cobblestones are 
black vesicular basalt 2 feet 
7. Red-brown sandstone (Tertiary) I foot 
Section 5, North from near Camp Apache (Fort Apache) (Gilbert, 
U. S. Geographic surveys, west of the 100th meridian, Vol. III., p.165). 
I. Quaternary : feet 
1. Basalt and Basalt gravel 70 
2. Pale pink slightly coherent, massive sands and grave! resting 
unconformably on No. 3 520 
II. Permo-Carboniferous : 
3. Calcareous sandstone : 
a. yellow 100 
b. red 180 
4. Soft red and gray shales, interrupted by sectile limestone : 
a. Unseen ; shale (?) 190 
b. Soft red shale 50 
c . Gray limestone 10 
d. Gray shale 10 
e. Yellow limestone 4 
f. Red and gray shales 60 
g. Gray to cream limestone, with fossils 25 
h. Red shale 80 
II. Permo-Carboniferous : 
5. Fossiliferous gray limestone : 
a. Thick bedded limestone 25 
b. Unseen ; red shale (?) 25 
c. Limestone, sectile to massive, with some chert (Productus, 
Bellerophon, Spirifer, Archaeocidaris) 75 
6 Red gypsiferous shales, with sandstone and limestone: 
a. Unseen ; shale (?) 160 
b. Cream-gray thin-bedded limestone 15 
. c. Unseen (?) shale 85 
d. Green gray impure limestone IS 
e. Red gypsiferous shale 7° 
f. Massive gypsum 10 
