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Record #136846:
- #136846
Main publication details
MARC recordCryptorhythmic and macrorhythmic layering in aegirine lujavrite, Ilímaussaq alkine intrusion, South Greenland / J.C. Bailey.
| Title: | Cryptorhythmic and macrorhythmic layering in aegirine lujavrite, Ilímaussaq alkine intrusion, South Greenland / J.C. Bailey. |
| Author(s): | Bailey, J. C. |
| Date: | 1995. |
| In: | Geological Society of Denmark. Bulletin. (1995.), Vol. 42(1) (1995) |
| Abstract: | Cryptorhythmic layering was established in 200 m drill core through layered aegirine-eudialyte nepheline syenite, aegirine lujavrite I. Within each cryptorhythmic unit, content of Y in cumulus eudialyte is constant, but there is sharp increase to new fixed value in next unit. Crystallization of cryptorhythmic units from chemically distinct double-diffusive liquid layers in lujavrite I magma and of macrorhythmic units by repeated in situ crystallization on floor of Ilímaussaq magma chamber is discussed. |
| Notes: | Geological Society of Denmark. Bulletin. Vol. 42(1) :1-16 (1995). |
| Keywords: | 551.1/.4 -- Geology. 552.3 -- Igneous rocks. B -- Geology and soil sciences. (*3) -- Arctic regions. (*384.84) -- Narssaq. |
| SPRI record no.: | 136846 |
LDR 01347naa#a2200000#a#4500 001 SPRI-136846 005 20230322170957.0 007 ta 008 230322s1995####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-136846 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aBailey, J. C. 245 10 ‡aCryptorhythmic and macrorhythmic layering in aegirine lujavrite, Ilímaussaq alkine intrusion, South Greenland /‡cJ.C. Bailey. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1995. 300 ## ‡ap. 1-16 :‡bdiags., tables, map. 500 ## ‡aGeological Society of Denmark. Bulletin. Vol. 42(1) :1-16 (1995). 520 3# ‡aCryptorhythmic layering was established in 200 m drill core through layered aegirine-eudialyte nepheline syenite, aegirine lujavrite I. Within each cryptorhythmic unit, content of Y in cumulus eudialyte is constant, but there is sharp increase to new fixed value in next unit. Crystallization of cryptorhythmic units from chemically distinct double-diffusive liquid layers in lujavrite I magma and of macrorhythmic units by repeated in situ crystallization on floor of Ilímaussaq magma chamber is discussed. 650 07 ‡a551.1/.4 -- Geology.‡2udc 650 07 ‡a552.3 -- Igneous rocks.‡2udc 650 07 ‡aB -- Geology and soil sciences.‡2local 651 #7 ‡a(*3) -- Arctic regions.‡2udc 651 #7 ‡a(*384.84) -- Narssaq.‡2udc 773 0# ‡7nnas ‡tGeological Society of Denmark. Bulletin. ‡gVol. 42(1) (1995) ‡wSPRI-73282 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230322