arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 1

View/Edit arkL Database interval - Olenekian

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The age-window currently being used to search for terms for autocompletion is 196.7 -> 299.875 Ma.

	interval above:	Anisian
parent-intervals:Early Triassic;	this interval:	Olenekian	sub-intervals: Spathian; Smithian;
	interval below:	Induan

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Interval data

intervalx:	Olenekianhas added abv?id: 6382 sort:258
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	chronostratigraphy (dataset id = 1)
alt dataset:	(dataset id = )
TSC Column:	id:89
stage:
colour:	176/81/165
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:		246.7000	<---	base Anisian	8882	0.0000	Chiosella timorensis TKCdontZ	246.7	00246.7000
Base:		249.8750	<---	base Olenekian	8884	0.0000	e5.2 ChL	249.875	00249.8770
base notes	Base of Olenekian (base of Smithian substage) -- Assumed coincidence of Chaohu conodont marker for GSSP candidate and Tethyan ammonite zone usage (base of Flemingite, which is nearly same level at Chaohu). Chaohu 405kyr cycle-strat suggests the conodont-based candidate GSSP level is the base of "e5.2" of Mingsong’a band-pass version for 100kyr cycles (Mingsong Li to JOgg Aug2015) = 249.9 Ma (Li et al., 2016, EPSL); but this assumed constant rates within 405kyr cycles; plus bases of Szurlies cycles are defined differently than Chaohu cycles. At Chaohu GSSP candidate, this is just below (ca. 0.05 myr?) the base of Hounslow-Muttoni magnetozone LT3n (CG6n of Szurlies 2007) => base-Induan (as used at Chaohu) would be near the base of Germanic cycle s3.3.				comp notes

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Interval References

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