Environmental Engineering Reference
In-Depth Information
Nondetrital Group
Includes chemical precipitates and organics. Chemical precipitates are classified by tex-
ture, fabric, and composition. Organics include only the various forms of coal.
Characteristics
Photos of some of the more common sedimentary rocks are given as Plates 5.11 to 5.19.
The characteristics of the detrital rocks are summarized in
Table 5.9
and the nondetrital
rocks in
Table 5.10.
PLATE 5.11 (
Color Plate 5.11
follows
page 396.)
Triassic CONGLOMERATE (Rockland
Co., New York).
PLATE 5.12
(Color Plate 5.12
follows
page 396.)
SANDSTONE (Potsdam, New York).
