Meanings (ES + gloss)
cáscara • vaina
A shell or husk; a cod or pod.
Mr. Lyell next visited the red and green shales of Cabotville, north of Springfield in Massachusetts, where some of the best Ornithichnites have been procured, chiefly in the green…
the green shales of a bean
esquisto • lutita • pizarra
A fine-grained sedimentary rock of a thin, laminated, and often friable, structure.
As on all large green roofs, the soil is not dirt exactly but a gravel-like growing medium of granulated pumice, shales, clays and other minerals.
Five years in, ARPA–E’s priorities have shifted, too, for the same reason. The cheap natural gas freed from shale by horizontal drilling and hydraulic fracturing (or fracking) has…
Phrases
Word forms