arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 4

View/Edit arkL Database interval - C33r

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The age-window currently being used to search for terms for autocompletion is 29.9 -> 132.875 Ma.

	interval above:	C33n
parent-intervals:C33r;	this interval:	C33r	sub-intervals: C33r;
	interval below:	C33r EXTENSION GTS2020

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Interval data

intervalx:	C33rhas added abv?id: 2696 sort:17
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	magnetochronology (dataset id = 4)
alt dataset:	(dataset id = )
TSC Column:	id:119
stage:
polarity:
colour:
interval_notes:	Base of C33r considered to be near base of Campanian = age calibration point on C-sequence. Dated in Songliao Basin mag-cycles by Ramezani et al (2017) as 83.07 ?0.15 (and revised ATS-Mag of 82.875 - Wu and Hinnov, PNAS, 2020) ""Base of Chron C33r is near the top of Santonian stage (placed near base of ""Late Santonian"" based on Chalk-version of Santonian in studies by Paul Montgomery, but it seems that ~0.2 myr ABOVE is more consistent with nannofossil ages relative to basal-boundary and pelagic outcrop studies -- used here)."" [NOTE: Implied duration, based on top set by cycle-strat, and base by Ar-Ar, is 3.4 myr, versus 4.6 myr in GTS04 => a much faster S.Atl. spreading (which is also seen for the above C32n cycle-mag)
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:		79.9000	<---	base C33n	3005	0.0000		79.9	00079.9000
Base:		82.8750	<---	base C33r	3006	0.0000		82.875	00082.8750
base notes					comp notes

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