80105
Its strata , which consist mostly of shales and sandstones , record an almost continuous sequence of marine glacial to terrestrial deposition from the Late Carboniferous to the Early Jurassic .
 Late Carboniferous, Early Jurassic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Late Carboniferous, Early Jurassic