arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 15

View/Edit arkL Database interval - RN6

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The age-window currently being used to search for terms for autocompletion is -41.1555 -> 62.6045 Ma.

	interval above:	RN7
parent-intervals:	this interval:	RN6	sub-intervals:
	interval below:	RN5

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Interval data

intervalx:	RN6has added abv?id: 5102 sort:
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	radiolaria low-lat (dataset id = 15)
alt dataset:	(dataset id = )
TSC Column:	id:144
stage:
colour:
interval_notes:	RN6 - Diurtus petterssoni Interval Zone (Riedel and Sanfilippo, 1970; emend. Riedel and Sanfilippo, 1978). Top: evolutionary transition from Diartus petterssoni to Diartus hughesi; this event is now known to be a diachronous event (Johnson and Nigrini). Base: morphotypic lowest occurrence of Diartus petterssoni; this event is now known to be a diachronous event.
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:		8.8445	<---	FAD Diartus hughesi	7247	0.7800	C4An	8.8445	00008.8445
Base:		12.6045	<---	FAD Diartus petterssoni	7248	0.5000	C5Ar.1r	12.6045	00012.6043
base notes	DASH -- Diachronous. Chris Hollis (Sept’19) and Nigrini et al’06 (Leg 199) calibrate as about middle of C5Ar.1r (used here); but PEAT Leg 320/321 is about 0.4 myr higher at base of C5An1n. CK95 age of approx. 11.95 Ma from Shackleton et al., 1995b => 90% up in Chron C5An.1n. Diachronous. ODP Leg 199 Table T3 (Lyle et al 2002) indicates that about half of the events "within RN6" might actually occur prior to the cited age for its base.				comp notes

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Interval References

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