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 149.98 -> 250.04 Ma.

intervalx:	Hett-R1has added abv?id: 1638 sort:
alternative_term:	H24r of Kent-Olsen'08block 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:	calibration of base from duration and age of underlying chron
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

	age		event	event_id	in interval	age	age2020
Top:	199.9800	<---	base Hett-N2	1961	Hett-N2	199.98	00199.9800
Base:	200.0400	<---	base Hett-R1	1962	Hett-R1	200.04	00200.0400
base notes				comp notes

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