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Creation's Tiny Mystery
Radiohalo Catalogue

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Contents

Plate Photo Description
1(a) - (d) — Fully developed uranium halos in mica (biotite)
2(a) - (d)210Po halos in mica (biotite); (a) — also with a 218Po halo
3(a) - (d)214Po halos in mica (biotite)
4(a) - (d)218Po halos in mica (biotite)
5(a, b & d) — Elliptical (compressed) 210Po halos in coalified wood; (c) — Dual 210Po halo in coalified wood
6Uranium halos in fluorite in different stages of development: (a) - (b) — Embryonic; (c) - (d) — Fully developed; (e) — Overexposed, first-stage reversal; (f) - (g) — Overexposed, second-stage reversal; (h) — Overexposed, third-stage reversal
7(a) - (h)210Po halos in fluorite
8(a) - (h)218Po halos in fluorite; (c) — center darkened by electron microbeam analysis
9(a)218Po halos in mica (biotite); (b) — Spectacle halo in biotite; (c) - (d)214Po halos in biotite
10(a) — Overlapping 210Po halos in biotite, using phase contrast; (b) and (d) — Thorium halo and giant halo in Madagascan mica; (c) — Dwarf halos in Ytterby mica; (e) - (f) — Assortment of different polonium halo types in biotite; (g)214Po halos in biotite; (h) — A 210Po and a 214Po halo in biotite
11(a) — Biotite crystal from Murray Bay, Canada; (b) — Po halo containing specimens of granite from New Hampshire, the dark areas are biotite crystals; (c) — Zircon crystals extracted from granite drill cores taken from a depth of about 15,000 ft.; (d) — Rhyolite from 1,683.3 ft. (specimen obtained from J. Eichelberger, Sandia National Labs)

Approximate Magnification
  (a)(b) (c)(d) (e)(f) (g)(h)
  1  ×900×1015×1120×1015  
2×540×875×875×770
3×800×800×800×865
4×930×730×965×985
5×500×500×500×500
6×725×725×880×725×725×725×725×725
7×725×725×725×860×725×725×725×725
8×725×725×725×725×725×725×725×725
9×245×575×165×265  
10×420×250×500×250×275×140×275×260
11**×300*  

* Scale shown in figure

Book Cover Photo

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The above page was found at http://www.halos.com/book/ctm-rc.htm on October 1, 2014.

© 2004
Earth Science Associates