Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 3 - By Alexander Von Humboldt And Aime Bonpland.
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How little did we anticipate the
sad fate that awaited him.
He took charge of a part of our
collections; and a friend of his own confided to his care a child who
was to be conveyed to Spain for its education. Alas! the collection,
the child and the young ecclesiastic were all buried in the waves.
South-east of Nueva Barcelona, at the distance of two Leagues, there
rises a lofty chain of mountains, abutting on the Cerro del Bergantin,
which is visible at Cumana. This spot is known by the name of the hot
waters, (aguas calientes). When I felt my health sufficiently
restored, we made an excursion thither on a cool and misty morning.
The waters, which are loaded with sulphuretted hydrogen, issue from a
quartzose sandstone, lying on compact limestone, the same as that we
had examined at the Morro. We again found in this limestone
intercalated beds of black hornstein, passing into kieselschiefer. It
is not, however, a transition rock; by its position, its division into
small strata, its whiteness and its dull and conchoidal fractures
(with very flattened cavities), it rather approximates to the
limestone of Jura. The real kieselschiefer and Lydian-stone have not
been observed hitherto except in the transition-slates and limestones.
Is the sandstone whence the springs of the Bergantin issue of the same
formation as the sandstone of the Imposible and the Tumiriquiri? The
temperature of the thermal waters is only 43.2 degrees centigrade (the
atmosphere being 27). They flow first to the distance of forty toises
over the rocky surface of the ground; then they rush down into a
natural cavern; and finally they pierce through the limestone to issue
out at the foot of the mountain on the left bank of the little river
Narigual.
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