arkL edit interval

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select id,columnx from arkL_columns where dataset_id like 10

View/Edit arkL Database interval - P3a pfSZ

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The age-window currently being used to search for terms for autocompletion is 11.5177 -> 112.3334 Ma.

	interval above:	P3b pfSZ
parent-intervals:P3 pfZ;	this interval:	P3a pfSZ	sub-intervals:
	interval below:	P1c pfSZ

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Interval data

intervalx:	P3a pfSZhas added abv?yesid: 4347 sort:658
alternative_term:	block label:a
formal term:	Igorina pusilla Partial-range Subzone
interval_type:
parent_interval:
dataset:	forams - planktic (dataset id = 10)
alt dataset:	(dataset id = )
TSC Column:	id:108
stage:
colour:
interval_notes:	P3a’ is the ’Morozovella angulata -Muricella albeari Interval Zone’ (Berggren et al., 1995). An earlier version of subzone P3a used the FAD of Igorina pusilla top define the top of subzone, but this FAD is rare and reported to occur at the base of P3 (Berggren et al., 1995). A working base of the Selandian substage (top of Danian) is the P2/P3 boundary (Berggren et al., 1995).
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:		61.5177	<---	FAD Igorina albeari	6345	0.2500	C26r	61.5177	00061.5178
Base:		62.3334	<---	FAD Morozovella angulata	6348	0.7800	C27n	62.3334	00062.3334
base notes	Former working definition for base of Selandian stage. Wade et al. (2011; Fig.2) schematically show base as base of Chron C26r, but used Berggren and Pearson (2005) has same chron-age calibration (ca. Chron C27n.8) as Berggren et al. (1995a) -- Paleocene foram ’Morozovella angulata’ FAD occurs in Hole 384 (North Atlantic) in upper C27n at <2m above FAD of ’P. uncinata’) in Nannofossil Zone NP4. In Holes 465 (Eq. Pacific) and 758A (Indian Ocean) it is 2m above FAD of ’P. uncinata’. In Hole 577 (N. Pacific) within lower part of Chron C26r, but precise position difficult to determine because of absence of C27n (Bleil, 1985, DSDP Leg 86). Chron assignment = C27n (upper; placed here as C27n.8).				comp notes

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