arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 18

View/Edit arkL Database interval - Craspedites okensis SAZ

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The age-window currently being used to search for terms for autocompletion is 93.5023 -> 194.2948 Ma.

	interval above:	Craspedites taimyrensis SAZ
parent-intervals:	this interval:	Craspedites okensis SAZ	sub-intervals: Craspedites originalis SAsZ; Craspedites okensis SAsZ;
	interval below:	Praechetaites exoticus SAZ

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Interval data

intervalx:	Craspedites okensis SAZhas added abv?yesid: 1949 sort:6
alternative_term:	C. okensis SAZblock label:
formal term:
interval_type:
parent_interval:
dataset:	ammonites Siberian Boreal (dataset id = 18)
alt dataset:	(dataset id = )
TSC Column:	id:6
stage:
colour:
interval_notes:
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

	age2020	age		event	event_id	pup	in interval	age	age2020
Top:		143.5023	<---	base Craspedites taimyrensis SAZ	2253	0.5000	Subcraspedites preplicomphalus BAZ	143.5023	00143.4999
Base:		144.2948	<---	base Craspedites okensis SAZ	2255	0.0000	M20n.1n	144.2948	00144.2946
base notes	Base M20n.1n (Housa et al., '07; also Wimbledon, 2017, J/C summary), used here; but Rogov et al.'09 projected as base-Preplicomphalus, which is M19n.3 (+/-.2) [undiff. M19n]. Lower subzone of K.fulgens is also Kachpurites fulgens; but upper Craspedites subditus in subpolar Urals.				comp notes

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Interval References

Dataset References

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

Jenks, J. F., et al. (2015). Chapter 13. Biostratigraphy of Triassic ammonoids. In, Klug, C. , Korn, D. , De Baets, K. , Kruta, I. , Mapes, R. H. (ed.) Ammonoid Paleobiology: From Macroevolution to Paleogeography. Topics in Geobiology . 44: 329-371. gs

Rogov, M. A. & Zakharov, V. A. (2009). Ammonite- and bivalve-based biostratigraphy and Panboreal correlation of the Volgian Stage. Science in China. Series D Earth Sciences 52: 1890-1909. gs