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Eisco™ Basalt Specimen

Basalt is formed quickly from an iron-rich magma and exhibits a dark color and small crystal size.

$10.79


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Numéro de catalogue Numéro du manufacturier. Quantity Specimen Size Prix Quantity & Availability  
Numéro de catalogue Numéro du manufacturier. Quantity Specimen Size Prix Quantity & Availability  
S24748
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Eisco™
ESNG0041
1 Ea. 2 to 3 cm
chaque for $10.79
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Description

Description

  • Aphanitic volcanic rock forms from effusive eruptions, such as shield volcanoes of Hawaii, or deep ocean floor
  • For use in introduction to igneous rock classification and identification
  • Correlates well to Next Generation Science Standards Evidence Statements
  • Students can recreate cooling history of this sample based on texture and abundance of phenocrysts
  • Example of aphanitic igneous rock
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