arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 10

View/Edit arkL Database interval - MPL4a

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The age-window currently being used to search for terms for autocompletion is -46.43 -> 53.85 Ma.

	interval above:	MPL4b
parent-intervals:MPL4;	this interval:	MPL4a	sub-intervals:
	interval below:	MMi13c

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Interval data

intervalx:	MPL4ahas added abv?id: 4373 sort:65
alternative_term:	block label:a
formal term:
interval_type:
parent_interval:
dataset:	forams - planktic (dataset id = 10)
alt dataset:	(dataset id = )
TSC Column:	id:530
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:		3.5700	<---	LAD Globoconella (Globorotalia) puncticulata (bononiensis) (temporary Medit. disappearance)	6138	0.0000		3.57	00003.5700
Base:		3.8500	<---	LAD Globorotalia margaritae	6143	0.0000		3.85	00003.8500
base notes	Was "Hirsutella (Globorotalia) margaritae". Defines top of PL2; (was approx. base of Piacenzian stage in Berggren et al., 1995). Cycle-calibrated in Eastern Mediterranean as 3.81 Ma. This LAD is reported slightly earlier (3.85 Ma) at astronomically tuned South Atlantic Sites 925 & 926. This calibration was used by Wade et al. (2011) and is retained here. Berggren et al. (1995) assigned as Gauss/Gilbert boundary in the Eastern Equatorial Pacific (3.58 Ma = Base C2An.3n) based on Saito et al. (1975). They reported this event to have occurred 0.2 m.y. earlier in Mediterranean (late Gilbert, or 3.79 Ma). The LCO occurs in the Mediterranean just above Cochiti Subchron (3.96 Ma).				comp notes

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