Fossilized

Adjective

 * 1) In a state of fossilization; preserved in rock.

Thesaurus
Gothic, Victorian, anile, antediluvian, antiquated, antique, archaic, backed, calcified, callous, calloused, case-hardened, classical, crabbed, crusted, crusty, crystallized, debilitated, decrepit, doddered, doddering, doddery, feeble, fossil, gerontal, gerontic, granulated, grown old, hardened, hornified, incrusted, indurate, indurated, infirm, lapidified, medieval, mid-Victorian, mossbacked, moth-eaten, mummylike, of other times, old-world, ossified, palsied, papery-skinned, petrified, ravaged with age, reinforced, rickety, rigidified, run to seed, rusty, sclerotic, senile, set, shaky, shriveled, solidified, steeled, stiffened, strengthened, stricken in years, superannuated, timeworn, tottering, tottery, toughened, vitrified, weak, withered, wizened