New Re-Os Geochronological Data from the Upper Doushantuo Formation: Age Constraint on the Shuram Excursion and Implication for the Ediacaran Fluctuated Continental Weathering.

In contrast, the δ 18 O carb data show constantly low values in the lowermost section (average −9.3‰; n = 26, Table 1 ) and an increasing trend in the upper part of the section ( Figure 2 ).

also in 63,971 other papers

Results The δ 13 C carb values vary between −6.7 and +0.5‰, displaying a decreasing trend bottom up, with extremely low values in the uppermost section (mean of −5.3‰; n = 4, Table 1 ).

also in 47,180 other papers