Wegener's Continental Drift Theory fundamentally reoriented Earth sciences by proposing that today's continents were once a single landmass, Pangaea. The geological, palaeontological, and sedimentary evidences supporting this remain central to physical geography.
The ancient rock formations along the Brazilian coast exhibit striking similarity with those on the Western African coast, suggesting these coastlines were once contiguous. Such 'jigsaw fit' of rock belts across separated continents constitutes one of the most compelling lithological proofs of drift. This correspondence extends beyond coastline geometry to rock age, composition, and structural orientation.
The gold deposits found in Ghana are geologically linked to the Brazilian plateau, implying a shared origin when the two landmasses were adjacent. Such trans-oceanic mineral continuity cannot be explained by independent geological processes on separate continents. It supports the thesis that economic mineral belts were disrupted by continental separation.
The Gondwana system of sediments — characterised by Glossopteris flora fossils and distinctive tillite deposits — is found not only in India but across South America, Africa, Australia, and Antarctica. This distribution across six landmasses of the Southern Hemisphere strongly indicates a shared depositional environment under a unified Gondwanaland. Such biogeographical and stratigraphic coherence across widely separated regions is inexplicable without continental drift.
Glacial striations and tillite deposits in tropical regions, and coal measures in polar areas, indicate past climatic conditions inconsistent with current positions. These anomalies are resolved when continents are repositioned as per drift theory, confirming large-scale horizontal movement of crustal plates over geological time.
All three statements — rock belt matching, mineral deposit continuity, and Gondwana sediment distribution — are valid evidences of continental drift. Together, they form an integrated geological narrative that underpins modern plate tectonic theory and informs hazard management frameworks globally.
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