Chapter 17: The Architecture of the Sleeper's Antechamber

The basin announced itself not with drama but with a cessation. The eastern hills, which had maintained over the previous four days a consistent and sullen irregularity — the kind of terrain that resists the traveler as a matter of geological indifference — simply stopped their resistance. The ground leveled with a precision that Thordun registered before he consciously noted it, the way a craftsman's hand knows a planed surface before the eye confirms it. He stopped walking and looked behind him at the company and then forward again at the plains that spread eastward from the basin's lip, and wrote nothing for eleven minutes, which Sam Deeproot recorded with the methodical completeness that characterized his own accounting of the journey.

The formations began perhaps half a mile into the basin. Thordun saw them first as color — a darkening of the eastern rock that he attributed initially to a change in mineral composition — and then as shape, and it was the shape that made him unpack his measuring instruments without being entirely aware that he had decided to do so.

They were basalt. He was certain of this, and the certainty was itself a comfort he clung to across the hours that followed. The composition was unambiguous: the dense, fine-grained matrix of cooled volcanic flow, black-grey in the midmorning light, absorbing rather than reflecting the thin high-altitude sun. Basalt was explicable. Basalt had sources, histories, cooling rates, crystalline angles that corresponded to equations he had known for forty years. He wrote *basalt formation, probable flow origin, survey pending* in his notes with the confidence of a man setting a foundation stone.