arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 10

View/Edit arkL Database interval - PL3 pfZ

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The age-window currently being used to search for terms for autocompletion is -46.84 -> 53.85 Ma.

	interval above:	PL4 [Atl.] pfZ
parent-intervals:	this interval:	PL3 pfZ	sub-intervals:
	interval below:	PL2 pfZ

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Interval data

intervalx:	PL3 pfZhas added abv?yesid: 4282 sort:65
alternative_term:	block label:
formal term:	Sphaeroidinellopsis seminulina Highest Occurrence Zone
interval_type:
parent_interval:
dataset:	forams - planktic (dataset id = 10)
alt dataset:	(dataset id = )
TSC Column:	id:104
stage:
colour:
interval_notes:	Pliocene Foram Zone "Pl3" Sphaeroidinellopsis seminulina Highest Occurrence Zone (formerly the ’Globorotalia margaritae -Sphaeroidinellopsis seminulina Interval Zone’ = LAD of Globoturborotalia margaritae to LAD of Sphaerodinellopsis seminulina (Berggren et al., 1995), and is equivalent to the upper portion of Zone ’N20’ of Blow (1979).
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:		3.1600	<---	LAD Sphaeroidinellopsis seminulina [Atl.]	6124	0.0000		3.16	00003.1600
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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