31. The basalts are interbedded with slate and greywacke, faulted, and intruded by granitic rocks. 32. The uppermost stratum consists of of Triassic clayish quartzose turbidites interbedded with black slate and siltstone. 33. The center portion consists of interbedded sandstones, siltstones and mudstones, with minor carbonaceous shales. 34. Up to, the rock near the Audenried Tunnel is mostly interbedded red shale and sandstone. 35. The remaining 20.9 % of the watershed's rock is interbedded sedimentary rock. 36. A total of 90 percent of the watershed of Aylesworth Creek is on interbedded sedimentary rock. 37. The underlying geology of the watershed of South Branch Tunkhannock Creek mainly includes interbedded sedimentary rock. 38. The Pico Member is mostly made of massive siltstones and sandstones interbedded with minor silty-sandstones. 39. The ores are considered to be syn-genetic with the host shale and interbedded volcanic material. 40. The bedrock is primarily sandstone interbedded with shale, slate, quartzite, chert and limestone fragments.
