Sentence examples for type sections from inspiring English sources

It was there that the type sections, or stratotypes, for the Middle Triassic stages Anisian and Ladinian and the Upper Triassic stages Carnian, Norian, and Rhaetian were first established.

The Middle Devonian and lower Upper Devonian (that is, the Eifelian, Givetian, and Frasnian stages, whose former type sections are here) structures consist mainly of limestones and shales and reach at least 1,500 metres (4,900 feet) in the south.

Alberti's rock sequence, which became known as the "Germanic facies," had many drawbacks as a standard for assigning relative ages to Triassic rocks from other regions of the world, and so for much of the 19th and 20th centuries Triassic stages were based mainly on type sections from the "Alpine facies" in Austria, Switzerland, and northern Italy.

The type sections of these formations are described in Short and Stauble (1967) and summarized in a variety of papers (Avbovbo 1978; Doust and Omatshola 1990; Whiteman 1982; Evamy et al. 1978; Kulke 1995).

In three of the individual slices analyzed, Fe nanoparticles were identified in high-resolution EDS spectral mapping in regions of the orthopyroxene rim, but were not identified in any other mineral type sections.

esk1 and wild type sections were observed under UV light, where lignified tissues appears fluorescent, or under white light when stained with carmine-green which gives green coloration to lignin and pink coloration to cellulose [54].

The type section is at Durlston Bay near Swanage, Dorset.

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Subsequent studies showed that the type section was ill-chosen and that the base of the Calabrian Stage was equivalent to much younger levels within the Pleistocene.

The type section for the Gelasian Stage, the rock layer laid down during the Gelasian Age, is found at Monte San Nicola near Gela, Sicily.

This was conducted on nine outcrop sandstone samples selected among 13 samples from the type section.