2 adjectives to describe congelations

Read this: "I think the wickedest people on earth are those who use a force of genius to make themselves selfish in the noblest things, keeping themselves aloof from the vulgar and the ignorant and the unknown; rising higher and higher in taste, till they sit, ice upon ice, on the mountain-top of eternal congelation.

These fossils are objects of adoration to the Hindoos: they fall on the S.W. side of the Himala mountains from an altitude which exceeds that of perpetual congelation: they are picked up by the natives, and religiously preserved, being concealed as much as possible from the scrutiny of Europeans.

2 adjectives to describe  congelations