arkL edit interval

select id,columnx from arkL_columns where dataset_id like 4

The age-window currently being used to search for terms for autocompletion is 18.351 -> 119.271 Ma.

intervalx:	C31nhas added abv?id: 2687 sort:8
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	magnetochronology (dataset id = 4)
alt dataset:	(dataset id = )
TSC Column:	id:119
stage:
polarity:
colour:
interval_notes:	Base of Chron C31n constrained by Ar/Ar ages to ~69.0 ?0.5 Ma (2-sigma)
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

	age		event	event_id	age	age2020
Top:	68.3510	<---	base C30	2996	68.351	00068.3510
Base:	69.2710	<---	base C31n	2997	69.271	00069.2710
base notes				comp notes

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