My Sketchbook - Buku sketsa geologi

Update: 28 August 2022 My wife  knows that: I hate details. I know my hand sketch always looks like unfinished sketch, but no matter how bad my sketch is, I enjoy this process. Time for relaxation, time for oneself, it is priceless. Everyone has their own problems, but one should divine our happiness. For me, sketching makes me happy. Please excuse my unrealistic sketch. 1. Der Dachstein Dachstein (Hoher...

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Clausthal dan endapan tembaga "Kupferschiefer"

update 6-12-2017 Field trip guidelines (in English) on Sankt Andreasberg district by Wilfried Ließman Kalau TU Freiberg adalah akademi tambang tertua di dunia (1765), maka TU Clausthal nguntit sedikit di belakangnya (1775). Oh ya, TU itu singkatan dari Technische Universität, kira-kira terjemahannya universitas teknik atau mungkin institut teknologi. Keduanya berada di Jerman, yang satu di Jerman bagian Timur (Freiberg),...

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