Stratotype Point Base of Drumian

label Stratotype Point Base of Drumian
ratified GSSP true
boundary level at the Base of a dark gray thinly laminated calcisiltite layer, 62 m above the Base of the Wheeler Formation
comment Drum Mountains, Millard County, Utah, USA
correlation event Agnostoid arthropod FAD Ptychagnostus atavus
see also
Drumian0.pdf original
Drumian.pdf original
index.html original
image.php?periodid=149&top_parentid=0&imageid=293 original
source Episodes 30/2,p. 85 95, 2007
status Ratified 2006
StratigraphicPoint original
Resource original
Concept original
has geometry Location of Stratotype Point Base of Guzhangian original
represents boundary
Base of Drumian original
stratotype BaseDrumianSP original