arkL edit interval

select id,columnx from arkL_columns where dataset_id like 137

The age-window currently being used to search for terms for autocompletion is 465.15 -> 571 Ma.

	interval above:	Tsanglangpuan SN
parent-intervals:Lower Cambrian NChSer;	this interval:	Chiungchussuan SN	sub-intervals:
	interval below:	Jinningian SN

intervalx:	Chiungchussuan SNhas added abv?yesid: 15798 sort:52
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	stages North China (Camb) (dataset id = 137)
alt dataset:	(dataset id = )
TSC Column:	id:205
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:		515.1500	<---	base Tsanglangpuan NChSt	16102	0.9000	Nangaoan SChSt	515.15	00515.1500
Base:		521.0000	<---	base Chiungchussuan NChSt	16101	0.0000	Nangaoan SChSt	521	00521.0000
base notes	Same as base of Nangaoan stage in S.China. Peng (2003): 'Luo et al. (1994) redefined the concept of the Chiungchussuan Stage as an interval of strata marked by the appearance of the trilobite Parabadiella through to the extinction of Eoredlichia. If the lowest occurrence of Parabadiella is close to FAD of trilobites, the base of Chiungchussuan may correspond to the base of the Qiandongian Series, but the direct evidence of this possibility remains unknown.'				comp notes

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Peng, S. C. (2003). Chronostratigraphic subdivision of the Cambrian of China. Geologica Acta. 1(1): 135-144. gs