Black sand at Vík does not begin as scenery; it begins as a conflict between ice and fire. What looks like an edge-of-the-world wasteland is, in geological terms, a densely packed archive. Each grain of basalt underfoot is the cooled residue of magma, later shattered by glacial abrasion and driven along the coast by wave energy.The beach functions as a live diagram of plate tectonics and coastal g...More