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Page 215
... GRAYWACKES . Litharenites are a diverse family of rocks that in general were formed by rapid deposition under unstable tectonic conditions . Among the subvarieties , the phyllarenite is most common . It is a typical sandstone of ...
... GRAYWACKES . Litharenites are a diverse family of rocks that in general were formed by rapid deposition under unstable tectonic conditions . Among the subvarieties , the phyllarenite is most common . It is a typical sandstone of ...
Page 464
... GRAYWACKES ; SHALES ; LIMESTONES AND DOLOMITES ; EVAPORITES ; PHOS- PHORITES ; DURICRUSTS ; and COALS ... Graywacke ( sandstone with mud matrix ) Quartzite ( orthoquartzite ) Lutites ( fine - grained ) Siltstone Shale Mudstone or ...
... GRAYWACKES ; SHALES ; LIMESTONES AND DOLOMITES ; EVAPORITES ; PHOS- PHORITES ; DURICRUSTS ; and COALS ... Graywacke ( sandstone with mud matrix ) Quartzite ( orthoquartzite ) Lutites ( fine - grained ) Siltstone Shale Mudstone or ...
Page 465
... graywackes , for example , tend to pass up the scale of maturity as they lose their less dura- ble minerals and rock particles and eventually pass through rocks called subgraywackes into orthoquartzites volcanic particles fragment ...
... graywackes , for example , tend to pass up the scale of maturity as they lose their less dura- ble minerals and rock particles and eventually pass through rocks called subgraywackes into orthoquartzites volcanic particles fragment ...
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