interbed


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interbed

(ˌɪntəˈbɛd)
vb (tr)
(Geological Science) geology to interstratify or arrange between strata of different minerals
References in periodicals archive ?
5 m level in Vidale, where the mostly terrigenous interbed contains some volcanic sanidine grains with the same composition as in the Ventspils 666.
In Kohtla this conodont species appears in the first limestone interbed A/B at about 30 cm from the base of the Kukruse Stage, and is very rare until bed G in the upper part of the stage (Viira et al.
Exclusively simple meniscate burrows (Taenidium barretti (Bradshaw)) are preserved endichnially within horizontally laminated and, occasionally climbing-, current-rippled red sandstones that interbed with horizontally laminated red mudstones and siltstones.
According to conodont data, the Cambrian-Ordovician boundary is within the Rannu Member, in a 2-3 cm thick black shale interbed about 40 cm below the top (the first appearance of Cordylodus lindstromi and Iapetognathus sp.
A lens-like conglomerate interbed (0-7 cm), with flat pebbles of the underlying dolostone, occurs on the 3a and 3b boundary.
The mineralized zone consists of massive sulphides with a thin interbed of barren mafic tuff, not dissimilar from other parts of the Cayeli deposit.
Based on rock mechanics study recommendations, MMI plans that a minimum interbed thickness of 50 feet will be maintained between the mining zones.
Our dynamite source of 1 kg at 15m is proven to be the ultimate point source and our 2D seismic has shown us frequencies up to 80 hz to 90 hz of usable signal which gives us the vertical resolution to decipher interbed issues of similar velocity and density characters of the rocks.
Southwards they are replaced by marls with a limestone interbed, which are probably contemporaneous with the lower part of the Prabuty marls and shales included in the Pirgu Stage in Poland (Modliniski & Szymaniski 1997).
Based on rock mechanics study recommendation, the Company plans that a minimum interbed thickness of 50 feet will be maintained between the mining zones.
This paper presents ages of detrital zircon grains in a quartz arenite sample from an interbed in the conglomerate-dominated central part of the Horton Group sequence as a further step in investigating the source of the Horton Group sediments deposited in the Isle Madame area.