Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Matthew J Avcin"'
Publikováno v:
Fossil peat of the Illinois basin : a guide to the study of coal balls of Pennsylvanian age /
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f5dcc17156b4add53520ae9d89be708
https://doi.org/10.5962/bhl.title.62159
https://doi.org/10.5962/bhl.title.62159
Publikováno v:
Science (New York, N.Y.). 184(4144)
Coal palynology and studies of petrified peat indicate major changes in coal-swamp floras and the botanical constituents of coal throughout Pennsylvanian time. The changes are the result of broad climatic shifts and local environmental factors. The m
Publikováno v:
Southeastern Archaeology. Winter2002, Vol. 21 Issue 2, p227. 8p. 5 Black and White Photographs, 1 Diagram, 3 Charts, 2 Maps.