Description
The 15 rocks in this group are those derived from preexisting rocks through the processes of erosion, followed by compaction and chemical precipitation. Specimens are about 1 1/2″ and are number coded and keyed to a list. In compartmented container.
Includes
- 1 Conglomerate (Labeled ‘1’)
- 1 Arkose (Labeled ‘2’)
- 1 Sandstone (Labeled ‘3’)
- 1 Quartz Sandstone (Labeled ‘4’)
- 1 Oil Shale (Labeled ‘5’)
- 1 Shale (Labeled ‘6’)
- 1 Breccia (Labeled ‘7’)
- 1 Limestone (Labeled ‘8’)
- 1 Gypsum (Labeled ‘9’)
- 1 Fossil Limestone (Labeled ’10’)
- 1 Dolomite (Labeled ’11’)
- 1 Travertine (Labeled ’12’)
- 1 Rock Salt (Labeled ’13’)
- 1 Tufa (Labeled ’14’)
- 1 Bituminous Coal (Labeled ’15’)