arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 79

View/Edit arkL Database interval - Arnstadt Fm. or Loewenstein Fm. DeL

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The age-window currently being used to search for terms for autocompletion is 159.513 -> 276.0212 Ma.

	interval above:	Exter Fm. DeL
parent-intervals:	this interval:	Arnstadt Fm. or Loewenstein Fm. DeL	sub-intervals:
	interval below:	Weser Fm. DeL

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Interval data

intervalx:	Arnstadt Fm. or Loewenstein Fm. DeLhas added abv?yesid: 7061 sort:
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	strat - German Triassic (dataset id = 79)
alt dataset:	(dataset id = 0)
TSC Column:	id:490
stage:
colour:
interval_notes:	Similar to underlying Weser: Coarse marginal-alluvial system grading basinward into playa. Mostly fine-grained sediments intercalated with stratigraphically important gypsum and dolomite beds. Lehrberg Beds are freshwater lake.
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:		209.5130	<---	base Upper Keuper	9296	0.0000	Sagenites reticulatus / Paracochloceras suessi TAZ	209.513	00209.5130
Base:		226.0212	<---	base Arnstadt Fm. or Loewenstein Fm. DeL	9300	0.0800	E8r	226.0212	00226.0212
base notes	Arnstadt is considered equivalent to Norian; with base in Morsleben borehole about ca. 8% up in a reversed-polarity interval equated to E8r (Wendy Zhang, 2020). Therefore, Therefore, with new definition for base-Norian using a conodont’ then it seems that base-Arnstadt is about 1 myr up in Norian; not at base. Variable units; with Löwenstein Fm. essentially equivalent (lower part is basal Rote Basislettenor a gap; then equal-sets of Steubensandstein and Hangendletten -- of which upper half is locally Trossingen Fm. (Knollenmergel; or its equivalent lower and middle Postera Beds).				comp notes	-

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Dataset References