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Peru 1999 "Geology of Peru"

Issue Date 03.07.1999
ID Michel: 1700-1702 Scott: 1230-1232 Stanley Gibbons: Yvert: UPU: N/A Category: pF
Author Hugo Napan Vera
Stamps in set 3
Value S, 2,70 - Virgotrigonia peterseni Alleman
S. 3,30 - Scheelite.- CaWO4, tetragonal system
S..5,00 - Galena.- PbS, cubic system
Size (width x height) 30x40mm
Layout 50 stamps per sheet
Products FDC x1
Perforation 13,5
Print Technique

Offset, polichromy

Printed by Thomas Greg & Sons of Colombia
Quantity 1000,000
Issuing Authority Serpos
Geology stamps of Peru 1999

In July 1999 Peru post authority: Serpost issued a set of three stamps shows two minerals and one molusk fossil on it, to sign some geological threasure of the country. Similar set , but unfortunately without any fossil, issued exactly three years later, on 3 July 2002 (Michel No. 1836-1838)I

Fossilized mollusk Virgotrigonia peterseni on stamp of Peru 1999 Virgotrigonia peterseni Alleman.-Petrification of a valve of a new genus of Trigonidae, a lamellibranch mollusk of lower cretaceous (valanginian) age (135 million years). This specimen was collected and described by Vera Allerman at Cerro La Virgen, Morro Solar, in the district of Chorrillos in Lima. The name of the new species was given in honor of the prominent geolist Georg Petersen in recognition of his efforts which made possible the discovery and description of this new genius. Other species of this genus are known in Chile and Argentina. The fossiliferous formations at Morro Solar, Chorrillos, deserve to be protected. Vera Alleman's collection, deposited at the Museum of Natural History of the University Ricardo Palma. Information brochure of Geology stamps of Peru 1999
Galena mineral on stamp of Peru 1999Galena.- PbS, cubic system. Location:Casapalca mine, Lima. The Casapalca mine is a producer of lead, zinc and silver ores. It is located 130km east of Lima, at an altitude of 4,495 m. Production of lead-zinc ores, rich in silver, dates back to Spanish colonial time and continues to the present day. The stratigraphic sequence consists of sedimentary and volcanic rocks of upper cretaceous to quaternary age. This sequence was strongly folded and intruded by various igneous bodies. The ore deposits consist of persistent veins which cut the entire sequence. The economic minelatization consists of galena, sphalerite, tetrahedrite and chalcopyrite. Guido del Castillo's private collection. Scheelite mineral on stamp of Peru 1999 Scheelite.- CaWO4, tetragonal system. Location: Turmalina mine, Piura. The Turmalina mine is situated in the district of Canchaque, department of Piura.
The mineralization was deposited within a circular body of tourmaline set in a large tonalite intrusive. The ore consists mainly of molybdenite and chalcopyrite in the
upper part od the deposit, with pyrite, arsenopyrite, sphalerite, wolframite and scheelite occupying the lower portion.
Mr. Guido del Castillo's private collection.



Acknowledgement: Many thanks to fellow stamp collector Carlos "PeruCollector" from Peru, for his help to find some information about these stamps

References: Official brochure


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