[One-Earth-Altar]

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Book 3/15/17

Locality
89°10´ west longitude, 13°40´ north latitiude   [ map ]

Name
Tal des Rio Sisimico, El Salvador, Südamerika

Personal relationship of donor
Technical Cooperation

Historical relevance of location
Diatomite, sediment consisting of the siliceous frustules of unicellular algae called diatoms. Diatomite is a useful industrial mineral, e.g., for filters.

Geological relevance of location
The fossil leaves contained in the diatomite document its formation as a Holocene lake deposit.

Classification of the earth
Structure consolidated diatom ooze
Colour yellowish
Age Cenozoic

Donor

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

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