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 452.0025 -> 553.582 Ma.

	interval above:	Kushanian SN
parent-intervals:Middle Cambrian NChSer;	this interval:	Changhian SN	sub-intervals:
	interval below:	Hsuchuangian SN

intervalx:	Changhian SNhas added abv?yesid: 15803 sort:36
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	age	age2020
Top:		502.0025	<---	base Kushanian NChSt	16107	0.0000	502.0025	00502.0250
Base:		503.5820	<---	base Changhian NChSt	16106	0.0000	503.582	00503.5820
base notes	DASHED -- Base was shown (Peng, 2003), at about 90% up in former Taijiangian stage of S. China, which spanned base-Wuliuan to FAD of Ptych. punctuosus trilobite.				comp notes

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