arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 1

View/Edit arkL Database interval - Middle Pleistocene

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The age-window currently being used to search for terms for autocompletion is -49.87 -> 50.773 Ma.

	interval above:	Late Pleistocene
parent-intervals:Quaternary;	this interval:	Middle Pleistocene	sub-intervals:
	interval below:	Early Pleistocene

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Interval data

intervalx:	Middle Pleistocenehas added abv?id: 4262 sort:
alternative_term:	block label:M
formal term:
interval_type:
parent_interval:
dataset:	chronostratigraphy (dataset id = 1)
alt dataset:	(dataset id = )
TSC Column:	id:80
stage:
colour:	255/242/199
interval_notes:
compilation_notes:
refs to add:
linked refs:
preset_duration:
preset_duration_notes:
tracecode	; Q2top from event age; Q1base from event age; Q3a duration from base & top

	age2020	age		event	event_id	pup	in interval	age	age2020
Top:		0.1300	<---	base Lt. Pleist. ("Tarantian")	5883	0.0000		0.13	00000.1300
Base:		0.7730	<---	base Chibanian	5884	0.0000	C1n (Brunhes)	0.773	00000.7730
base notes	Named Chibanian after the GSSP at Chiba section (east-central Japan; ratified January, 2020). GSSP level is base of tephra with U-Pb zircon date of 773.7 (+/-7.2) ka; which is essentially at Matuyama/Brunhes polarity chron boundary (base of Chron C1n). Ionian is an equivalent name for this "M. Pleistocene" interval. Base = base of Brunhes Chron				comp notes

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Interval References

Dataset References