arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 77

View/Edit arkL Database interval - PM4r fullchron

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The age-window currently being used to search for terms for autocompletion is 176.75 -> 277.1 Ma.

	interval above:	PM5n
parent-intervals:Pizzo Mondello, Italy;	this interval:	PM4r fullchron	sub-intervals: PM4r;
	interval below:	PM4n fullchron

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Interval data

intervalx:	PM4r fullchronhas added abv?yesid: 6886 sort:99
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	magnetochronology - Triassic outcrop (dataset id = 77)
alt dataset:	(dataset id = )
TSC Column:	id:151
stage:
polarity:
colour:
interval_notes:	E7r
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:		226.7500	<---	base UT13n.1n	8968	0.0000	E8n	226.75	00226.7500
Base:		227.1000	<---	base PM4r	8969	0.0000	E7r	227.1	00227.1000
base notes	UT12r.2r/PM4r = E7r (FIXED here) -- Base = 0.95 of Tuvalian using Wendy Zhang's Carnian summary (2020), (or ca. 90% up in A. spinosus Zone) in Hounslow-Muttoni 2010 synthesis based on relative durations at Pizzo Mondello. Shortened from Concise GTS of 0.77 of A. spinosus Zone. The recommended Norian GSSP level at Pizzo Mondello coincides with the TOP of a narrow reversed-polarity zone (polarity zone “PM4r” in local terminology; or “UT12r” in the synthesis of Hounslow and Muttoni, 2010 -- which they show as quite narrow; but other reference sections indicate as relatively long).				comp notes

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