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Damage Assessment of Historic Earthen Sites after the 2007 Earthquake in Peru
Damage Assessment Earthen Architecture Earthquake Seismic Damage
2011/12/21
The Pisco earthquake of August 15, 2007 resulted in 519 deaths and 1366 injured, with a total of 650,000 people affected and 80,000 dwellings damaged. Preliminary reports indicated that significant ea...
Opals: characterization, nomenclature definition and proposal of a new varieties classification following the discovery of new materials in Peru
nomenclature definition new materials Peru varieties classification
2011/11/8
This work has been carried out on a vast amount of samples (more than 500). In this summary I will concentrate on some of the analytical methods used on the characterization of 25 out of the Andean co...
Relationship between nanostructure and optical absorption in fibrous pink opals from Mexico and Peru
opal optical absorption nanostructure Raman palygorskite TEM
2011/11/11
Translucent pink opals from Mexico (states of Mapimi and Michoacan) and Peru (Acari area, near Arequipa) are opal-
CT, containing from 10 to 40 % palygorskite, as demonstrated by XRD, infrared absorp...