| 1. | It also contains lithic fragments from the basement and from vulcanites.
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| 2. | Such components are quartz, feldspars, and lithic fragments.
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| 3. | The ignimbrite contains Ordovician lithic fragments and 1020 % pumice.
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| 4. | They both contain pumice and lithic fragments and are poor in crystals.
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| 5. | They are partly welded and contain fiamme and lithic fragments.
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| 6. | It comprises up to 70 % quartz with calcite and volcanic lithic fragments.
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| 7. | They contain pumices of various colours and lithic fragments, including mylonite and schist.
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| 8. | These layers, containing soapstone and lithic fragments left by soapstone bowl manufacture, probably date to the Late Archaic period.
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| 9. | The deposit is well sorted with density and size of pumice, and the content and size of the lithic fragments increasing upwards.
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| 10. | The upper cooling unit contains two types of pumice, one strongly welded and the other weakly so, and is much richer in lithic fragments.
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