{ "item_title" : "The principles and objects of geology, with special reference to the geology of Egypt", "item_author" : [" W. F. Hume "], "item_description" : "How does a landscape become a record of forces acting far beneath it and agencies working across its surface? Using Egypt as its principal field of illustration, these technical geology lectures trace the making and remaking of rocks through deposition, deformation, igneous formation, metamorphism, weathering and erosion. The terrain becomes evidence: strata preserve earlier conditions, while fractures, folds and altered minerals reveal continuing geological change. Field-based examples connect geological principles to visible formations and large-scale structures. Limestones, clays, sandstones, granites, schists and volcanic rocks are examined not as isolated specimens, but as materials shaped by uplift, subsidence, faulting and chemical transformation. Sediments laid down by rivers and seas meet the effects of internal earth movements, showing how apparently stable ground belongs to a long, active history. Geological diagrams and landscape illustrations clarify these relationships without separating theory from the formations that prompted it. Geological mapping provides another way to read the land, bringing scattered observations into a coherent account of structure and change. From river valley deposits to desert rocks, mountain formations and rifted terrain, the lectures demonstrate how surface agencies and subterranean forces continually interact. Their combination of technical explanation, visual material and direct geological examples gives the work a distinctive field-centred character. This book was out of print for decades and is now republished by Alpha Editions. It has been restored for today's and future generations. This edition is not just a reprint - it's a collector's item and a cultural treasure.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/37/778/796/9377787963_b.jpg", "price_data" : { "retail_price" : "14.99", "online_price" : "14.99", "our_price" : "14.99", "club_price" : "14.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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