| And she mighty near rolled off down into pitchstone Canyon, comin' up by the cut-off trail. |
| The lavas comprise dark pitchstone, resembling that at Kirk Yetholm, and porphyritic and amygdaloidal andesites and basalts. |
| Similarly, Arran pitchstone has turned up in Ireland and Orkney, highlighting the complex exchange networks between these places. |
| In the south of the island there are sills and dykes of felsite, quartz-porphyry, rhyolite, trachyte and pitchstone. |
| I have brought from that locality a single specimen of pitchstone, perfectly resinous, bleak and shining. |
| I had never seen him look as he did now, not even in pitchstone Canyon when we came upon the bodies of Hank and his wife. |
