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Polaris at Achada do Gamo
In n the image all the stars surround the Polar star in Achada do Gamo - Mina S. Domingos.
The heaps in Mina S. Domingos - Achada do Gamo are composed of different materials with high levels of metals, such as slag and ash, whose leaching through the rainwater leads to the production of acid mine drainage, usually with an ocher or reddish color.
Mina S. Domingos in Achada do Gamo allways been a sought after place for the extraction of ores since antiquity, with evidence of gold, silver and copper mining in Roman times.
43 shots - 04jun2019 - 00H22 and the last shot 00H49
Canon EOS R
14mm
f2
30"
ISO 1600
ID Photo : DA-Conceicao-Polaris_at_Achada_do_Gamo_3.2
Auteur : SERGIO CONCEICAO
© SERGIO CONCEICAO/Ciel et Espace Photos
Dimensions Photo : 30.1 Mpixels (86,1 Mo décompressé) - 6720x4480 pixels (56.9x37.9 cm / 22.4x14.9 pouces à 300 ppp)
Mots clés Photo : H3:2, photographie*Sérgio Conceição