Informatie over | Engels woord MUDROCKS

Voorbeelden van het gebruik van MUDROCKS in een zin

• The Permian rocks of the Abo and Yeso formations comprise mudrocks and sandstones which are freely weathering to create a series of steps capped by sandstones with intervening argillaceous rocks forming less steep slopes.
• Rocks exhibiting foliation include the standard sequence formed by the prograde metamorphism of mudrocks; slate, phyllite, schist and gneiss.
• In terms of its lithology, the New Red Sandstone comprises true sandstones, mudrocks and evaporite strata.
• The maar is excavated into Pennsylvanian sedimentary strata composed of reddish, arkosic sandstones, siltstones, mudrocks, evaporites, minor conglomerates, and rare limestones.
• It conformably overlies the Lockatong Formation (darker, generally gray shales and mudrocks) and is overlain by the first Watching(Orange Mountain Formation) basalt.
• Most have undergone weak metamorphism to greenschist facies, and as a result the mudrocks are commonly classified as argillites and the sandstones as quartzites.
• In some of the gray and black mudrocks, paleontologists have found an abundance of organic microfossils, including vase-shaped microfossils (VSMs) likely presentative of arcellinid testate amoebae, acritarchs, "Sphaerocongregus variabilis", and organic chemicals characteristic of dinoflagellates.
• Lot's Wife, Jasper Forest, and Martha's Butte beds form cliffs, whereas the Lot's Wife and Marthas Butte beds are slope-forming units with a larger proportion of mudrocks than sandstones.
• It is a sequence of limestones, green mudrocks and subordinate sandstones, and has been paleontologically dated as from Late Palaeocene to Middle Eocene.

Paginavoorbereiding duurde: 192,91 ms.