In most cases, you’ll measure from the lot line to position the slab parallel to it. Start to prepare the site for concrete ...

Proposed evolution of slab pull from the detached lithospheric fragments. At the beginning, both fast-velocity anomalies 1 and 2 contributed to the slab pull, as F1+F2 (hexagon); then F1 was detached, ...

ANN ARBOR—As anyone with a smattering of geological knowledge knows, Earth’s crust is made up of plates that creep over the planet’s surface at a rate of several inches per year. But why do they move ...