英语词汇“helderbergian”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

Helderˈbergian adj.

/hɛldəˈbɜːɡɪən/

/hɛldəˈbɜːdʒɪən/

ΘΚΠ

the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Devonian > specific

Helderberg1840

Coblenzian1853

Rhenan1853

Vergent1858

hercynian1880

Famennian1882

Frasnian1882

Givetian1882

Helderbergian1906

Siegenian1922

1906 T. C. Chamberlin & R. D. Salisbury Geol. II. 455 The capulid shells which abound at some localities in the Helderbergian..faunas.

1949 C. O. Dunbar Hist. Geol. x. 207 Two stages [of the American Devonian] are recognized, the Helderbergian and the Deerparkian, each with several formations. The Helderberg stage includes only limestone and calcareous shales.

单词	helderbergian
释义	> as lemmas Helderˈbergian Helderˈbergian adj. /hɛldəˈbɜːɡɪən//hɛldəˈbɜːdʒɪən/ ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Devonian > specific Helderberg1840 Coblenzian1853 Rhenan1853 Vergent1858 hercynian1880 Famennian1882 Frasnian1882 Givetian1882 Helderbergian1906 Siegenian1922 1906 T. C. Chamberlin & R. D. Salisbury Geol. II. 455 The capulid shells which abound at some localities in the Helderbergian..faunas. 1949 C. O. Dunbar Hist. Geol. x. 207 Two stages [of the American Devonian] are recognized, the Helderbergian and the Deerparkian, each with several formations. The Helderberg stage includes only limestone and calcareous shales. extracted from Helderbergn. < as lemmas
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> as lemmas