Author: Cayeux, L.
Title: Études gîtes minéraux de la France. Les minerais de fer oolithique de France. I. Minerais de fer primaires. II. Minerais de fer secondaires. [Complete].
Description: Paris, Imprimerie Nationale, 1909-1922. In two volumes. Large, thick 4to (32.0 x 25.0 cm). 1,401 pp.; five folded geological maps (two in colour) and 49 very fine heliogravures. Original, uniform printed wrappers. = A massive monograph by the French geologist Lucien Cayeux (1864-1944). "After his investigation of the chalk, in which he demonstrated that in spite of apparent analogies with the recent deepsea Globigerina ooze, it was a shallow-watersediment. Cayeux undertook a series of comprehensive and well-illustrated monographs, concerned particularly with the sedimentary rocks of France and its colonies. He successively applied his unusual analytical gifts to the Tertiary sandstones of the Paris basin (1906), the Paleozoic and Mesozoic oolitic iron ores (1909, 1922), the siliceous rocks or cherts (1929), the phosphates (1939, 1941, 1950 (posthumous), and the carbonate rocks: limestones and dolomites (1935). Although Cayeux's interpretation of the oolitic iron ores did not gain general acceptance, his synthetic views of the genesis of siliceous rocks, phosphates and carbonates show an amazingly modern character. Particularly in carbonate rocks he anticipated a great number of modern trends concerning early diagenetic changes, such as induration, recrystallization and dolomitization." (DSB). The second volume appears to be more common; the first is very uncommon. Wrappers frayed and chipped at edges, spine covers partly split, the first volume partly taped. Otherwise very good. DSB 3, p.161.

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