Frakcyjne zdjęcie aluwialne - nowa metoda prospekcji geochemicznej

SUMMARY

FtraciflilOoal ai1iLuviaJ. image, invOlving

ddstdniPUdsh-mEttl't

of 6

gJradlD.-IS~7le cla$ses, was

awlleJd

iIn

prospect-ing

stannlllm OII'E!'S

,i.n 1he rlllQg'e

of

1DIeItamQrtphic ~ of

1il'e

nOr1bhern

oover

of tb-e

KaaikOlOOSZe granilte.

'1'he

mE~thod

makes

j,f;

poesilblle

to

~'8h se-cOOJdal!.'Y aUJrooles of dil9petisi()lIl around mineral:irl.ed

zones

characterized by the occurrence

of

cassiterite grains; the grains are very small

in

size, some are over

0.1

mm

in

diameter. Recognition of enrichment

in ataaurum

gradals

of

any

fra'cltilan

enables evalJ.uaJtloo

of the size of cassiterite grains

in

primary ore.

Fraclronall imalge may

also

be

of same value

in

searohmg fur aUuvj'all

cOlllC

°

enltir'ations

of

ecOll'OllllC

itnpOd'ltance.

PE310ME

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