arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 13

View/Edit arkL Database interval - CN1

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The age-window currently being used to search for terms for autocompletion is -30.99 -> 74.36 Ma.

	interval above:	CN2
parent-intervals:	this interval:	CN1	sub-intervals:
	interval below:	CP19

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Interval data

intervalx:	CN1has added abv?id: 4742 sort:282
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	nannos Tethyan (dataset id = 13)
alt dataset:	(dataset id = )
TSC Column:	id:36
stage:
colour:
interval_notes:
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:		19.0100	<---	FAD Sphenolithus belemnos	6637	0.0000		19.01	00019.0100
Base:		24.3600	<---	LAD Sphenolithus ciperoensis	6652	0.0000		24.36	00024.3600
base notes	DASH -- GTS2012/2016 had a NP26 zone (and CN1a zone) with base at LAD of S. ciperoensis; wihch was Cycle-calibrated as 24.43 Ma (1.40 myr prior to 23.03 Ma for base-Miocene) by Blaj et al. (2009) (Eq. Pac.), but Agnini et al (2014) cite same reference for 24.36 Ma (used here); but could be higher, because this genus is not very common (Paul Bown to J.Ogg, June’11). Low-latitude marker for base of NN1. Used as base of CN1a in some publications (in which LAD of D. bisectus becomes base of CN1b, rather than the present combined subzones). Scaling by Berggren et al. (1995a) was base of Chron C6Cr. [Blaj et al. (2009); P. Bown (pers. comm.. 2011)]				comp notes

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Interval References

Dataset References