Information om | Engelska ordet INTERLAYERED

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• Predominantly of shale, the Catalan Bay Shale Formation also contains thick units composed of either brown calcareous sandstone, soft shaly sandstone interbedded with bluish-black limestone, and interlayered greenish-gray marls and dark gray cherts.
• The Cromwell Gorge is dominated by the characteristic rocky tors and craggy outcrops of the Haast Schist Group; grey quartzofeldspathic metagreywacke interlayered with micaceous meta-argillite and greenschist formed during the Rangitata Orogeny.
• It consists of irregular volcanic blocks and rare bipolar fusiform bombs interlayered with vesicular agglutinate.
• Its stratigraphy changes dramatically around the crater, varying from five cycles of andesitic and rhylotic lava, followed by succession of volcanistic debris on the north side, to 30 subaerial andesitic flows and rare pyroclastic and epivolcaniclastic units on the eastern side, to interlayered dacitic and andesitic lava and tuff overlain by a thick succession of voluminous, nonwelded, ash-flow tuff and volcaniclastic rocks on the south side.
• On the northern end of Granite Mountain, these strata include weakly to moderately metamorphosed mudstone, siltstone, and fine-grained sandstone; basalt lava flows; ferruginous, white and dark laminated silica rock; infrequently laminated, epidote-silica rock; thinly interlayered silica and carbonate; laminated, highly platy, talc and/or pyrophyllite schist.
• In the Ridge Lake area, the volcanic belt includes an interlayered series of amphibolite, gabbro, iron formation, sulfidic schist and metasediments.
• In the Las Posas Hills, Sespe Formation is unconformably overlain by marine sandstones of the middle Miocene Topanga Group that are interlayered with and intruded by basalt flows, breccia, and diabase dikes of the Conejo Volcanics.
• The conglomerates consist of a mixture of mudflow deposits (lahars) that are complexly interlayered with braided and meandering stream deposits.
• The Campanian and Maastrichtian flysches comprise 2000 to 3000 m of periodically interlayered fines (marls, calcareous shales, and mudstones) and coarser sediments (conglomerates, sandstones, and greywackes).
• The Mahnomen Formation has a lower member, which lacks iron oxide components, and an upper member dominated by beds of iron oxide argillite and lean iron-formation interlayered with non-iron oxide argillite, siltstone and quartzose sandstone.
• The Painted Gneiss is a sequence of garnet- and biotite-bearing felsic gneiss, interlayered with calc-silicates, migmatitic garnet+sillimanite+cordierite-bearing metapelites and quartz+feldspar+magnetite gneiss.
• The formation is composed of reddish-brown to green beds of mudstone and shaly siltstone, interlayered with yellowish- to grayish-orange and grayish-brown, thin, fine- to medium-grained quartzose sandstone beds.
• Another very important source of data is palynological analysis of a coal-bearing horizon (lignite) interlayered with alluvial fan deposits at the northern border of the Itaboraí Basin, suggesting a Paleocene to Eocene age.
• It is made up of interlayered phonolitic tuffs, tuff breccias (containing nephelinite blocks), and nephelinitic lava flows.
• The basement rock is formed from the Haast Schist Group, grey quartzofeldspathic metagreywacke interlayered with micaceous meta-argillite and greenschist formed during the Rangitata Orogeny.
• The eastern slopes consist of flows of trachybasalts and trachytes interlayered with clastoplavas and vitrocrystalline tuffs.

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