arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 13

View/Edit arkL Database interval - CC26a

Navigation

The age-window currently being used to search for terms for autocompletion is 17.279 -> 117.8184 Ma.

	interval above:	CC26b
parent-intervals:CC26;	this interval:	CC26a	sub-intervals:
	interval below:	CC25c

Mode selector

Interval data

intervalx:	CC26ahas added abv?id: 3666 sort:31
alternative_term:	block label:a
formal term:	N. frequens
interval_type:
parent_interval:
dataset:	nannos Tethyan (dataset id = 13)
alt dataset:	(dataset id = )
TSC Column:	id:24
stage:
colour:
interval_notes:	CC26 begins with FAD of either N. frequens or C. kamptneri (for proximal). Within Chron 31n at low latitudes; but Austral-high-latitude is older (in mid-Chron C31r) at Maud Rise (see Huber et al’08, also as suggested on SEPM98 chart). Huber et al’08 compute as 67.44 Ma relative to GTS04 magnetics = C30n.14; which is close to the C30n.25 of Voight et al (submitted to EPSL) based on C13 correlations; therefore C30n.2 is used here. Burnett’98 schematically shows as about 40% up in B. argenta / junior Belemnite Zone (NW Europe), which is just slightly (0.2 myr) younger. Burnett’98 states that N. frequens has a well-documented diachronous FO", which is youngest at northern high latitudes. SEPM’98 assigned FAD as 3/10 up between top of J. nebrascensis Z. and end of Maastrichtian; and a "younger" (high Boreal?) FAD as 5/10 up between top of J. nebrascensis Z. and end of Maastrichtian. Leg 207 assigned as 0.8 myr before end-Cretaceous => closer to Boreal placement on SEPM98.
compilation_notes:
refs to add:
linked refs:
preset_duration:
preset_duration_notes:
tracecode	; Q1base from event age; Q2top from event age; Q3a duration from base & top

	age2020	age		event	event_id	pup	in interval	age	age2020
Top:		67.2790	<---	FADt Micula prinsii	4622	0.5000	C30n	67.279	00067.2790
Base:		67.8184	<---	FADt Nephrolithus frequens	4623	0.2000	C30n	67.8184	00067.8184
base notes	CC26 begins with FAD of either N. frequens or C. kamptneri (for proximal). Within Chron 31n at low latitudes; but Austral-high-latitude is older (in mid-Chron C31r) at Maud Rise (see Huber et al’08, also as suggested on SEPM98 chart). Huber et al’08 compute as 67.44 Ma relative to GTS04 magnetics = C30n.14; which is close to the C30n.25 of Voight et al (submitted to EPSL) based on C13 correlations; therefore C30n.2 is used here. Burnett’98 schematically shows as about 40% up in B. argenta / junior Belemnite Zone (NW Europe), which is just slightly (0.2 myr) younger. Burnett’98 states that N. frequens has a well-documented diachronous FO", which is youngest at northern high latitudes. SEPM’98 assigned FAD as 3/10 up between top of J. nebrascensis Z. and end of Maastrichtian; and a "younger" (high Boreal?) FAD as 5/10 up between top of J. nebrascensis Z. and end of Maastrichtian. Leg 207 assigned as 0.8 myr before end-Cretaceous => closer to Boreal placement on SEPM98.				comp notes

if you were a logged in editor there would be an input button here

Interval References

Dataset References