arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 48

View/Edit arkL Database interval - Duchesnean

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The age-window currently being used to search for terms for autocompletion is -12.615 -> 91.105 Ma.

	interval above:	Chadronian
parent-intervals:	this interval:	Duchesnean	sub-intervals: Du2; Du1;
	interval below:	Uintan

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Interval data

intervalx:	Duchesneanhas added abv?id: 5300 sort:452
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	mammals North America (dataset id = 48)
alt dataset:	(dataset id = )
TSC Column:	id:175
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:		37.3850	<---	FADnam Bathygenys, Ursidae, Bothriodon, Poebrotherium	7970	0.0000	C17n.1n	37.385	00037.3850
Base:		41.1050	<---	FADnam Canidae, Hyaenodon, Duchesneodus	7974	0.5000	C19n	41.105	00041.1050
base notes	FAD and bases of Zones are mid-C19n (J.Hooker emailed comments, 3Oct’19). Were higher in GTS2012 at 60% up in Chron C18n.2n; FAD of Mesohippus was at base of Du1, now at base Du2. FADs of Anthracotheriidae, Amphicyonidae, Rhinocerotidae were also at base of Du1 in GTS2012.				comp notes

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Interval References

Dataset References