‎JACCARD (A.)‎
‎Le pétrole, l'asphalte et le bitume au point de vue géologique -- EDITION ORIGINALE‎

‎P., Alcan, 1895, un volume in 8 relié en pleine toile éditeur, (cachet de bibliothèque), 12pp., 292pp., 30 figures dans le texte‎

Reference : 2774

‎---- EDITION ORIGINALE ---- "THE FIRST GEOLOGIST TO DECLARE PETROLEUM TO BE OF ORGANIC ORIGIN" (DSB) ---- "As a geologist and member of the board of directors for asphalt mining in Val de Travers, Jaccard became involved in investigating the occurrence and origin of bitumen, petroleum and asphalt in Switzerland. He was among the first to declare petroleum to be of organic origin - as opposed to the then widely held view proposing an inorganic, hydrothermal origin from the depths of the earth...". (DSB VII pp. 43/44)**2774/A6DE‎