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Ch. 1: Form of Minerals

Ch. 1: Introduction Page of 515 Ch. 1: Form of Minerals Text size:minus plus Restore normal size   Mail page  Print this page
16                                          INTRODUCTION.
or in the ocean, or to the prolific increase of testacea and corals. "We also find in certain localities subterranean de­posits of coal, consisting of vegetable matter formerly drifted into seas and lakes. These seas and lakes have since been filled up, the lands whereon the forests grew have disappeared or changed their form, the rivers and currents which floated the vegetable masses can no longer be traced, and the plants belonged to species which for ages have passed away from the surface of our planet, yet the commercial prosperity and numerical strength of a nation may now be mainly dependent on the local distribution of fuel determined by that ancient state of things. Geology is intimately connected to almost all physical sciences, as history is to the moral. An historian should, if possible, be profoundly acquainted with ethics, politics, jurispru­dence, the military art, theology, and with all branches of knowledge, by which an insight into human affairs, or into the moral and intellectual nature of man, can be obtained. No less desirable is it for a geologist to be well versed in chemistry, natural philosophy, mineralogy, zoology, com­parative anatomy, botany, and every science relating to organic and inorganic nature. Having such accomplish­ments, the historian and geologist would rarely fail to draw correct and philosophical conclusions from the various monuments transmitted to them from former occurrences. They would know to what combination of causes analogous effects were referable, and would often be enabled to sup­ply by inference information concerning many events unre-•corded in the defective archives of former ages.
Mineralogy is sometimes understood as comprising the natural history of every portion of inorganic nature. Here
Ch. 1: Introduction Page of 515 Ch. 1: Form of Minerals
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