620 
GEOLOGY OF THE FIRST DISTRICT. 
LOCALITIES. 
NNE . 
Northward .... 
WNW30°to50®.... 
Eastward 10 to 15° ... 
WNW 1» to 3°.. 
Shawangunk grit 
Shawangunk grit, covered 
in some places by red slate 
and by Helderberg lime¬ 
stone 
Slates and grits of the Erie 
division 
In the Mamakating valley on the east side of the 
Sandberg creek, two miles north-northeast of Red¬ 
bridge. 
At the reputed “ coal mine ” near the Coxenclove 
creek, at the west base of the Shawangunk moun¬ 
tain. 
One-half mile north-northeast of the “coal mine.” 
Near the Coxenclove creek, on the road from Spring- 
town to High falls. 
In the valley of the Esopus, northwest of the Mama¬ 
kating valley. 
GREENE COUNTY. 
NNE. 
N 22° E to W 
32° E 
Northward .... 
Westward 5° to 10° . . 
Highly inclined 
ESE 60° to 70° 
Vertical and some dip 
eastward and some 
westward 
Westward 8° to 60° .. 
NNE , 
NW ., 
do 10°.. 
Limestone of the Helder¬ 
berg division 
Slate . 
Limestone. 
Grits and slates 
Slates and grits 
A mile west of New-Baltimore, two miles west of 
Saugerties. 
Two miles west of Coxsackie. PI. 8, fig. 3. 
Nearly horizontal and 
slightly to westward 
Westward 25° to 60°, 
irped surface 
Westward 10° to 20° . 
Westward 3° to 20° .. 
I J°tol°.... 
10° to 15° .. 
Very irregular and con¬ 
torted 
NNW.. 
ESE 5° to 10° .., 
Horizontal. 
ESE, high angle ., 
WNW 10°. 
do 
do 
Helderberg limestone . 
Fossiliferous rocks of the 
Erie division 
Rocks of the Erie and Cat- 
skill divisions 
Rocks of the Catskill divi- 
Helderberg limestone. 
Slates and grits of the Cham¬ 
plain division, and lime¬ 
stones of the Helderberg 
Slate and slaty grits of the 
Champlain division 
Slate and slaty grits .. 
Helderberg limestone . 
do 
do 
do 
At and near Catskill village. 
One and a half mile southwest of Catskill. 
At the base of the limestone ridge, about < 
half or one and three-quarters of a mile southwest 
of Catskill. 
About one mile south of the last locality, and extends 
with the same general strike and dip, south-south- 
west to the Esopus falls. 
About Durham, Prink-street, Preston’s hollow. Oak- 
hill, etc. 
Between Catskill and Madison, on the east side of 
the creek. 
North and northwest of Madison, one-half to a mile. 
Between Catskill creek and the base of the Catskill 
mountains. 
Catskill mountains. 
Three miles west of Athens. 
Between Catskill and Madison, and between Catskill 
and the stone bridge of the Kaaters’ kill towards 
the Pine-orchard, and along the railroad, and to¬ 
wards Athens and Coxsackie. 
Above Four-mile point, where coal was dug. 
Some local variations in the vicinity of the preceding. 
One and a quarter mile below Athens, right bank of 
the Hudson. 
One and a half or two miles northwest of Coxsackie. 
About two miles northwest and west of Coxsackie. 
Two or three miles northwest and west of Coxsackie. 
Near the school-house four miles from Coxsackie. 
NNE . 
ESE 60° to 80°. 
Slate of the Champlain di¬ 
vision 
ENE . 
WNW 6° to 70° .... 
Slate and grits of the Cham¬ 
plain division 
Eastwardly 60° to 70° 
do do 
Eastwardly high angle 
Slate, graptolitic slate, grits, 
slaty grits, etc. 
SW at a slight angle 
J°to2° 
Oriskany sandstone, and 
other rocks of the Helder¬ 
berg division. 
ALBANY COUNTY. 
Between Albany and Coeymans, 
Island just below Coeymans. 
One mile below Coeymans, strata very much de¬ 
ranged. 
On the banks of the Norman’s kill one and a half 
and two miles from Albany, on the road to Scho¬ 
harie, and thence to the mouth. 
Also, Vide PI. 27, fig. 7. 
