arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 94

View/Edit arkL Database interval - Rusavkinian RuSt

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The age-window currently being used to search for terms for autocompletion is 252.1908 -> 353.68 Ma.

	interval above:	Pavlovoposadian RuSt
parent-intervals:Gzhelian RuSt;	this interval:	Rusavkinian RuSt	sub-intervals:
	interval below:	Dorogomilovian RuSt

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Interval data

intervalx:	Rusavkinian RuSthas added abv?yesid: 11802 sort:82
alternative_term:	Rusavkinoblock label:
formal term:
interval_type:
parent_interval:
dataset:	stages Russia (Permo-Carb, Camb) (dataset id = 94)
alt dataset:	(dataset id = )
TSC Column:	id:127
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:		302.1908	<---	base Pavlovoposadian RuSt	12201	0.0000	SG5 Seq	302.1908	00302.1604
Base:		303.6800	<---	base Gzhelian RuSt	12200	0.0000	Idiognathodus simulator CdontZ	303.68	00303.6778
base notes	Fixed in GTS2020 to be same as international working definiition with AGE ASSIGNED BY FELIX FROM SPLINE (not using Russian cycles). GTS2016 WAS MIddle of Urals cycle SG1 on Schmitz-Davydov'12 chart (about 0.1 myr younger) -- whch they imply is about 0.2 myr older than base-Gzhelian. Sometimes spelled 'Rusavkian'; but Alekseev and Goreva'07 refer to it as Dobryatinian. Had been Base of R.stuckenbergi Foram zone = Redefined as Base of Gzhelian ICS Stage. BUT, this implies that half of traditional Rusavkian deposits are now Kasimovian. Called 'Dobryatinian' on Carboniferous correlation chart of Menning et al. (2006). Upper Rusavkian has foram Rauserites rossicus, base of zone Pf18, which is put at base of Gzhelian; but in Donets Basin, the primative versions of this taxa occur two major cycles lower. An 'Amerevian' substage is in mid-Gzhelian in chart of Izart et al. (1998), with base assigned as base of Fusulinid zone Streptognathodus ruzhensevi.				comp notes

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Dataset References