| 11. | The area was made of phyllite and was the geologically most unstable area on the route.
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| 12. | This rock is mostly Anakeesta Formation metamorphic rock, especially slate, phyllite, and metasiltsone.
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| 13. | The most important rocks occurring in the Ore Mountains are schist, phyllite and granite with grus.
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| 14. | These are from the Ordovician period and consist of chert, phyllite and quartz rich micaceous sandstone.
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| 15. | Some specific types of rock in the Piedmont are schist, gneiss, and phyllite among others.
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| 16. | Most ores are muscovite schist and mica phyllite, with some deposits in calc-silicate hornfels.
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| 17. | The Pen Argyl Member, which is the upermost slate unit with some minor phyllite and shale beds.
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| 18. | Phyllite results in a loamy, rapidly weathered gneiss in the east of the mountains producing a light soil.
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| 19. | Greenstone ( metabasalt ), phyllite and schist release up to 30-50 % of the nitrogen pool.
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| 20. | The local bedrock is composed of limestone, dolomite, phyllite and chert from the Precambrian through Devonian times.
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