Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 5 · column 4 of 6 · from the scan, no model involved
Earlier geologists studying the area did not have access to such accurate chemical analysis and age-dating methods and had no choice but to map several seemingly-identical-looking rock types together in one unit or formation. Our chemical
95.7%