and radiometric ages for Albian-Turonian Dakota Formation and Tropic Shale at 'Grand Staircase Escalante National Monument and Iron Springs Formation near Cedar City.
Foraminiferally defined biostratigraphic
episodes and sedimentary pattern of the Cretaceous drift succession (Early Barremian to Late Maastrichtian) in seven basins on the South African and southern Namibian continental margin.
and chemostratigraphic correlation of Neoproterozoic sedimentary succession: upper Tindiar Group, northwestern Canada, as a test case.
In their argument for abandoning the Middle Palaeolithic period, Gao and Norton (2002) questioned the validity of the main criteria traditionally used for assigning material to the Middle Palaeolithic in China; namely, the age of the sites based on biostratigraphic
and/or geologic ages and the presence/absence of archaic Harno sapiens remains.
The Re-Os isotope and biostratigraphic
data suggest that the oil shale is Mid-Cretaceous (ca.
Tertiary marine molluscan assemblages of eastern Patagonia (Argentina): a biostratigraphic
study of Miocene Ostracoda of Newjersey, Muryland and Virginia.
Some Siluro-Devonian biostratigraphic
works have been conducted since the 1970s in the Yulin area.
The restricted environmental conditions resulted in a lack of generic and specific diversity, particularly the rarity of Neognathodus, the primary biostratigraphic
indicator for the Desmoinesian Series.
Temporal mapping of known continental molluscan type specimens can highlight periods in time that are still under-sampled for fossil continental mollusks, allowing for targeted searches to try and fill these gaps in the biostratigraphic
New data about the fossil flora from Bobovdol basin and its biostratigraphic
The contact represents an angular unconformity in the subsurface (Waldron and Rygel 2005) and records a pronounced biostratigraphic
break marked by the appearance of Cordaites macroflora and the incoming of the cordaitalean prepollen Florinites (Calder 1998; Utting and Wagner 2005; Utting et al.