Locality
78°36´ west longitude, 0°58´ south latitiude   [ map ]

Name
Latacunga, Provinz Cotopaxi, Ecuador, Südamerika

Personal relationship of donor
Technical Cooperation

Historical relevance of location
Pumice is a natural, light-weight construction material. The Andes of South America are part of the \\\"Ring of Fire\\\" around the Pacific. The siliceous magmas of these volcanoes are gas-rich and form abundant pumice tuff.

Geological relevance of location
The volcanoes of Central and South America have been active at least since the Neogene. They tend to be explosive, with the formation of tuff.

Classification of the earth

Structure	pumice, a very porous volcanic glass
Colour	light grey
Age	?Pleistocene

Donor

Geoscientific Collections Section of the Federal Institute for Geosciences and Natural Resources,
 Geological Survey of Lower Saxony,
 Hannover,
 Germany