arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 31

View/Edit arkL Database interval - KAl1 seq

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The age-window currently being used to search for terms for autocompletion is 60.5903 -> 161.3405 Ma.

	interval above:	KAl2 seq
parent-intervals:	this interval:	KAl1 seq	sub-intervals:
	interval below:	KAp7 seq

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Interval data

intervalx:	KAl1 seqhas added abv?yesid: 6068 sort:246
alternative_term:	block label:
formal term:
interval_type:	mfsKAl1 MFS8586
parent_interval:
dataset:	sequences global (dataset id = 31)
alt dataset:	(dataset id = )
TSC Column:	id:308
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:		110.5903	<---	KAl2 SB	8585	0.0000	Otohoplites raulinianus BAsZ	110.5903	00110.5903
Base:		111.3405	<---	KAl1 SB	8587	0.9000	Leymeriella germanica BAZ	111.3405	00111.3692
base notes	Just below (0.1 myr) base of Sub-boreal Ammonite L. tardefurcata Zone (95% up in L. schrammeri Zone) [L. schrammeri BAZ has been subdivided -> seq bdy is now in the L. germainca BAZ] = similar to close-spaced SEPM’98 Al1 and Al2. "This medium-amplitude event is recorded in the western European basins, Arabian Platform), US Gulf Coast, and in Zululand, Russia and Japan." (modified quote from Haq’14, p.54)				comp notes

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Interval References

Dataset References

Haq, B. U. & Schutter, S. R. (2008). A chronology of Paleozoic sea-level changes. Science. 322: 64-68. gs

Haq, B. U. (2014). Cretaceous eustasy revisited. Global and Planetary Change. 113: 44-58. gs

Haq, B. U. (2017). Jurassic sea-level variations: a reappraisal. GSA Today. 28: -. gs

Haq, B. U. (2018). Triassic eustatic variations reexamined. GSA Today. 28: 4-9. gs

Hardenbol, J., et al. (1998). Mesozoic and Cenozoic Sequence Chronostratigraphic Framework of European Basins. In, de Graciansky, P. -C. , Hardenbol, J. , Jacquin, T. , and Vail, P. R. (ed.) Mesozoic- Cenozoic Sequence Stratigraphy of European Basins. SEPM Special Publication . 60: 3-13 & appendix 763-783. gs