Alma record. (Alma, Mich.) 1878-1928, 1895-08-09
FOUND BY THE NEEDLE.
IL Indicates the Existence of Huge hut
Inaocessihle Ma.. of Iron.

Science has demonstrated that there lie,
under the historic Rus ian town of Mos.
cow . mass of iron orc miles In length aud
breadth, and powerful enough 10 defect
the magnetic needle and pull a plumb line
from the vertical throughout a large re-
gion, but investigation also makes IL prob.
able that this mass j. about seven miles
below the suriacc-a iaCt calculated 20 cool
the ardor of Spectators for some time TO
come. We translate from Gaca. Leipsic,
an account Of the discovery OF this inacces-
sible ore bed, which human eye has never
seen
When recently, for the first time I'm so
years, a now triangulation of European
Russia has been begun, the remarkable
Tact was discovered that i'm the neighbor.
hood of Moscow the plumb line suffered "A
very notable deviation from the vertical
This deviation appeared greatest with a
zone that extended about ~ kilomcter, (24
mile, north. and south and ls0 kilomcters
Cl2 miles, east and west Hero the lower
end of the line was deyiated l. seconds to
the moth of the vertical.
About - kilometers G. y miles) south of
Moscow, on line running approximately
east and west, its direction is normal,
while farther south the lower end OF the
line l. dcviated about five seconds toward
the south. 30 noteworthy a deviation of
the line in a level region seems 10 indicate
that heavy masses of considerable thick
ness must be situated there under the
earth'S surface. Great masses of iron were
naturally thought of first, and an attempt
was made 10 demonstrate the existence Of
such masses by means of measurements of
terrestrial magnetism The scientist. II
Fritsche. 80 well known on account of his
researches in terrestrial magnetism, made
in June, 1898, "A magnetic survey of the
neighburhOOd of Moscow for 50 kilometers
600 niles around. The terrestrial mag
netic elements were precisely measured for
81 localities and indicated cartographical-
~ on map. 1t was shown that in zone
go kilometers Q2l2 miles } wide from
north 20 south and 100 (93 miles, long
from east 10 west, including Moscow. the
total intensity of the earths magnetic
force is considerably greater than north or
south of this zone. The anomaly is great.
ar than In the eastern
" a chart of the anomalies Of magnetic !
inclination shows that the deviation of the
needle from the horizontal is
greater than the normal north OF Moscow
and smaller to the south, and the chart OF /
the anomalies of declination deviation /
from true north shows similar Irregular |
ties. These researches lead To the conclu- /
sion that where the local attraction was
observed, in the neighborhood of Moscow, .
huge masses Of iron lie buried under
ground, and that they possess north mag
netiSm in "a middle zone and south mag
nctism in two subsidiary zones stretching
north and south therefrom. The question
low deep this mass lies cannot certainly
De answered, but, according 10 Fritsches
'Stlmate, IL may DE assumed that the mid
lie zone lies scarcely less than 80, 600 feet
below the surface An exploration of this
immense mass OF ore l. therefore impossi-
DE, owing To the depth at which it is stu
lted Literary Digest.