arkL edit interval

arkL

select id,columnx from arkL_columns where dataset_id like 4

View/Edit arkL Database interval - MT1 -2

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The age-window currently being used to search for terms for autocompletion is 196.59 -> 296.76 Ma.

	interval above:	MT3
parent-intervals:Lower Triassic (Hounslow & Muttoni 2010); Cycle Scaled;	this interval:	MT1 -2	sub-intervals:
	interval below:	LT8 -9

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Interval data

intervalx:	MT1 -2has added abv?id: 7855 sort:
alternative_term:	block label:
formal term:
interval_type:
parent_interval:
dataset:	magnetochronology (dataset id = 4)
alt dataset:	magnetochronology (dataset id = 77)
TSC Column:	id:122
stage:
polarity:
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:		246.5900	<---	base MT3n.1n	9089	0.0000	s7.3 DeL	246.59	00246.5500
Base:		246.7600	<---	base MT1n	9093	0.3000	s7.1 DeL	246.76	00246.7200
base notes	Aeg-1r/MT1-2 -- Base of Ch. timorensis conodont considered to be of Aegean substage = base of polarity zone MT1n (using Hounslow proposed definition based on magnetostrat of Romanian GSSP candidate and the Guandao China GSSP candidate). Base Magzone sn10 shown in Hounslow as beginning about 5% up in Rot; but just slightly above base of R??t used here following Menning/Kozur/Szurlies = about 30% up in s7.1 to fit YanChen’19 (Wantou GSSP in EPSL). BUT, see note on MT3n.1n above => relative to base-Rot, may be in traditional "German Spathian". K?rschner and Herngreen, 2010 place base-Anisian might be one cycle lower => 0.1 myr older; however, this would not fit the magnetostrat of the Romanian or S.China GSSP candidates. In contrast, the Zurich group prefer to have base-Anisian higher than FAD of Ch. timorensis.				comp notes

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Interval References

Dataset References