arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 1

View/Edit arkL Database interval - Late Frasnian

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The age-window currently being used to search for terms for autocompletion is 321.1 -> 423.44 Ma.

	interval above:	Early Famennian
parent-intervals:Frasnian;	this interval:	Late Frasnian	sub-intervals:
	interval below:	Middle Frasnian

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Interval data

intervalx:	Late Frasnianhas added abv?id: 12816 sort:63
alternative_term:	block label:Lt
formal term:
interval_type:
parent_interval:
dataset:	chronostratigraphy (dataset id = 1)
alt dataset:	(dataset id = )
TSC Column:	id:92
stage:
colour:	242/237/173
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:		371.1000	<---	base Famennian	12783	0.0000		371.1	00371.1000
Base:		373.4400	<---	base Late Frasnian	12782	0.0000	Palmatolepis feisti Cdontz	373.44	00373.4400
base notes	Proposed base of Upper Frasnian begins at FAD of Palmatolepis semichatovae = essentially base of MN 11 (Palm. festi) on chart of Becker'19. In GTS2016, the level was the base of TR IId(1) which is the Rhinestreet deepening in eastern North America. This is approximated by Ancyrognathus barba, a distinct taxon, and a dated ash horizon, the Belpre Ash at 381.1 +/- 1.3 Ma (Tucker et al., 1998). This is also the base of feisti conodont zone on Becker's chart (2010)				comp notes

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