arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 81

View/Edit arkL Database interval - Columbitella joanae - Icriospathodus collinsoni ACdontZ

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The age-window currently being used to search for terms for autocompletion is 197.4738 -> 297.9858 Ma.

	interval above:	Columbitella amica ACdontZ
parent-intervals:	this interval:	Columbitella joanae - Icriospathodus collinsoni ACdontZ	sub-intervals:
	interval below:	Neogondolella. aff. sweeti - Novispathodus pingdingshanensis ACdontZ

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Interval data

intervalx:	Columbitella joanae - Icriospathodus collinsoni ACdontZhas added abv?yesid: 7943 sort:203
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	conodonts (dataset id = 81)
alt dataset:	(dataset id = )
TSC Column:	id:239
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:		247.4738	<---	base Columbitella amica ACdontZ	9600	0.2000	Spathian gap BAZ	247.4738	00247.4753
Base:		247.9858	<---	FAD Icriospathodus collinsoni	9601	0.0000		247.9858	00247.9878
base notes	base collinsoni based on 110kyr duration of Nov. pingdingshanensis zone (Mingsong Li, 2015 table to J.Ogg, used here). However, this zone is not always recognized or used in S. China. Canada equivalent is New zone in Orchard Oct’19 table (to J.Ogg), with base at ca. 50% up in Sub. pilaticus ammonoid zone (after revised placement of that zone within Spathian relative duration); which is essentially the same age model. Kozur’03 displays zone (and name-species) as 1/6th up in Spathian (base of C. parisianus Zone). The implied FAD of "collinson" is lower in sequence (and 0.4 myr older) than given by Sweet. Genus of "collinson" was formerly Neospathodus.				comp notes

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