Petrography rock was affixed to a microscope slide and then ground so thin that light could be transmitted through mineral grains that otherwise appeared opaque. The position of adjoining grains was not disturbed, thus permitting analysis of rock texture. Thin section petrography became the standard method of rock study. Since textural details contribute greatly to knowledge of the sequence of crystallization of the various mineral constituents in a rock, petrography progressed into petrogenesis and ultimately into petrology. It was in Europe, principally in Germany, that petrography advanced in the last half of the nineteenth century. The macroscopic characters of rocks, those
The NLT Study Bible The NLT Study Bible The NLT Study Bible was released in September, 2008, by Tyndale House Publishers, Inc. following a decade long process from original conception to publication. A Genesis "sampler" was released in April of the same year. Featuring a brand new set of notes and features put together by what Tyndale calls "a dream team of today's top Bible scholars", the NLT Study Bible "focuses on the meaning and message of the text as understood in and through the original historical context." In print form, the NLT Study Bible contains 2528 pages of material. It is also available