See also:ERNST HEINRICH KARL See also:DECHEN
VON' (1800-1889), See also:German geologist, was See also:born in See also:Berlin on the 25th of See also:March t800, and was educated in the university in that See also:city
.
He subsequently studied See also:mining in See also:Bochum and See also:Essen, and was in 1820 placed in the mining See also:department of the Prussian See also:state, serving on the See also:staff until '864, and becoming director in 1841 when he was stationed at See also:Bonn
.
In See also:early years he made journeys to study the mining systems of other countries, and with this See also:object he visited See also:England and See also:Scotland in See also:company with Karl von See also:Oeynhausen (1797-1865)
.
In the course of his See also:work he paid See also:special See also:attention to the See also:coal-formation of See also:Westphalia and See also:northern See also:Europe generally, and he greatly furthered the progress made in mining and metallurgical See also:works in Rhenish See also:Prussia
.
He made numerous contributions to See also:geological literature; notably the following:—Geognostische Umrisse der Rheinldnder zwischen See also:Basel and See also:Mainz mit besonderer Riicksicht auf das Vorkommen See also:des Steinsalzes (with von Oeynhausen and La See also:Roche), 2 vols
.
(Berlin, 1825),; Geognostische Fiihrer in das See also:Siebengebirge am Rhein (Bonn, 1861); See also:Die nutzbaren Mineralien and Gebirgsarten See also:im deutschen Reiche (1873)
.
But his See also:main work was a geological See also:map of Rhenish Prussia and Westphalia in 35 sheets on the See also:scale of 1: 8o,000, issued with two volumes of explanatory See also:text (1855-1882)
.
He published also a small geological map of See also:Germany (1869)
.
He died at Bonn on the 15th of See also:February 1889
.
(H
.
B
.
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