Exfoliation

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exfoliation

[eks‚fō·lē′ā·shən]
(geology)
(medicine)
The separation of bone or other tissue in thin layers.
A peeling and shedding of the horny layer of the skin.
(metallurgy)
Peeling off or separation of metal at its surface in the form of thin, parallel scales or lamellae.
(petrology)
The breaking off of thin concentric shells, sheets, scales, plates, and so on, from a rock mass; measuring less than a centimeter to several meters in thickness, the loosened rock is spalled, peeled, or stripped.
(science and technology)
Flaking away or peeling off in scales.

Exfoliation

Action caused by weathering or salt decay, resulting in the flaking off of surface layers of stone.

exfoliation

Peeling, swelling, or scaling of stone or mineral surfaces in thin layers; caused by chemical or physical weathering or by heat. Minerals such as vermiculite expand to many times their original size when heat-treated.
References in periodicals archive ?
Spa 101 Vegas-Style" provides Ritz-Carlton accommodations, breakfast for two featuring Fresh Baked Malted Waffles or other gourmet morning selections from award-winning Medici Cafe & Terrace, overnight valet parking and four 25-minute sample spa treatments from among a user-friendly menu of massages, facials, wraps, baths, exfoliations and salon services.