🔬 Discovery

Ice ages and continental glaciation

Edades de hielo y glaciaciones continentales

Date
1837-1840 · confidence high
Place
Neuchâtel, Switzerland
Credited to
Louis Agassiz; Jean de Charpentier, Ignaz Venetz, Karl Schimper
People
👤 Ignaz Venetz1788–1859👤 Jean de Charpentier1786–1855👤 Karl Friedrich Schimper1803–1867👤 Louis Agassiz1807–1873
Field
Cosmos & Earth

What was discovered

Agassiz proposed that erratic boulders, moraines and striated rocks in Europe had been left by glaciers that once covered the continent in an 'Eiszeit'. He replaced diluvial explanations with a radically different climatic past.

Coordinates of Neuchâtel, where Agassiz gave his 1837 address to the Helvetic Society. Alpine hunters and guides already held that the glaciers had once been larger.

What it led to

  • Palaeoclimatology
  • Milankovitch cycles
  • Reinterpretation of the relief of the Northern Hemisphere
  • End of biblical flood explanations in geology
🕸️ View in the graph

Built on

  • Observations by Alpine peasants and Venetz
  • Lyell's uniformitarianism

Made possible

📄 Original publication

Études sur les glaciers /Louis Agassiz, Joseph Bettannier, Hercule Nicolet · 1840

Links