My experiments with volcanoesJaggar, Thomas Augustus
Science
My experiments with volcanoes
Jaggar, Thomas Augustus
Geologists -- Biography; Volcanoes
The winter semester of 1894–1895 was spent in Munich, where Groth’s
mineral and crystal collections were the main attraction, and where I
heard the lectures of Sir Doktor Privy-Councillor Knight Karl A. von
Zittel, author of six huge volumes on fossil shells, fossil horses,
fossil dragons, and fossil trees, and a history of geology. We once saw
him rigged out in gold braid and an admiral’s fore-and-aft cocked hat
for some imperial function.
He was a forceful lecturer. The assistant arranged diagrams on the
rack, the students gathered, and then his majesty entered. Everyone
rose and Zittel held forth with a rattan pointer: “Es gibt, meine
Herren, ein ganze anzahl von ausgezeichnete beobachten über” and so
forth. Then he whacked the drawings, and made graceful allusion to
American investigators as he explained a giant stegosaurus.
In the “Heidelberger Geologischer Panoptikum,” as an attic room on the
Neckar was called, I afterwards posted a ditty based on “Ole Uncle Ned”:
There was an Orthopod
Stegosaurus Marshii
Laid him down on his Jurassic bed.
He had a row of shovels down the middle of his back
But he didn’t have a very big head.
_Chorus_:
Hammer, hammer, hammer on the stone
Chisel, chisel, chisel on the bone
There’s no more rest for poor old Steg
For Zittel couldn’t leave him alone.
Heidelberg days were memorable for the lectures of Rosenbusch,
Goldschmidt, and Osann; for laboratory system; and for long collection
trips. With specimen bag and hammer, we went to Saxony, Bohemia and
the Vosges Mountains, the Black Forest, and the Oberwald. I had a
large, pointed hammer named Umslopagaas, after Rider Haggard’s hero who
wielded such a weapon. When Palache and Brock and I were in a quarry
and an unwieldy boulder had to be broken, the yell arose, “Umslopagaas
come quick!” The collection of rock specimens at “classical”
localities, meant the textbook rocks of Rosenbusch, or of Zirkel of
Leipzig. Every student dreamed of having a private collection.
After the Ascutney experience, I was impressed by Schneeberg granite
in Saxony. At the border of the granite are slates, baked in zones
back from the granite edge: hard horn rock, spotted rock, mica rock,
then claystone. The colored geological map of Saxony was superb. This
includes the mining district of the birthplace of geology in Europe,
where in Freiberg, A. G. Werner had founded an arbitrary science in
the eighteenth century, imagining granites to be crystallized from a
world-wide ocean.
Public-domain text, read in full here on John Shaqi.
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