arkosic


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Related to arkosic: bioclastic, arkosic wacke

arkosic

(ɑːˈkəʊsɪk; ɑːˈkəʊzɪk)
adj
related to arkose
References in periodicals archive ?
These are local quartz arenites that are within the subarkosic to arkosic Upper Cambrian Hickory Sandstone Member of the Riley Formation in the Llano uplift region (Kyle and McBride, 2014) (Figure 4).
Composition: arkosic sand (feldspar, quartz and clay)
2004) Mamfe basin is largely covered by dense forestation, the type locality on the bank of the Cross River at Mamfe town in the Republic of Cameroun reveals thickly folded and faulted series of massive arkosic sandstone and grit having intercalations of marl, arenaceous limestone and shale (Reyment, 1965).
Fine-medium arkosic sand surrounding the concretions represents the fill of a south-flowing river channel that eventually smothered the growing forest, uprooting and toppling smaller trees that grew in the area (Fig.
The basement of Hole AU4-1 consists predominantly of quartzite with minor intervals of arkosic quartzite, semipelitic gneiss and amphibolite.
The member was composed predominantly of coarse-grained, light-colored, cross-bedded arkosic sandstone and minor boulder beds.
Xenotime mineralisation is associated within an approximately east-west trending quartz vein in a sicified arkosic unit.
1) with the conglomeratic arkosic sandstone of the Chalky Buttes Member (CBM) of the Chadron Formation (White River Group), which is exposed at numerous buttes in the North Dakota-South Dakota-Montana tri-state area (2).
The aquifer is composed of arkosic sandstones containing siltstone and shaly layers.
The Gowganda Formation is conformably overlain by the Lorrain Formation, which has a maximum observed thickness in excess of 300 m and is cut by an erosional surface; this thickness includes only the lower arkosic unit and not the overlying quartz arenite (Jambor 1971a).