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THE SUITABILITY OF APATITE AS AN AGE INDICATOR BY THE URANIUM-LEAD ISOTOPE METHODOOSTHUYZEN EJ; BURGER AJ.1973; EARTH PLANET. SCI. LETTERS; NETHERL. ; 1973, VOL. 18, NUM. 0001, P. 29 A 36Serial Issue

AN INTERPRETATION OF U-PB ZIRCON AGES FOR ARCHAEAN TONALITIC GNEISSES FROM THE JOHANNESBURG-PRETORIA GRANITE DOME = INTERPRETATION DE L'AGE DES ZIRCONS PAR LA METHODE U-PB POUR LES GNEISS TONALITIQUES ARCHEENS PROVENANT DU DOME GRANITIQUE JOHANNESBURG-PRETORIAANHAEUSSER CR; BURGER AJ.1982; TRANSACTIONS OF THE GEOLOGICAL SOCIETY OF SOUTH AFRICA; ISSN 0371-7208; ZAF; DA. 1982; VOL. 85; NO 2; PP. 111-116; BIBL. 22 REF.Article

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PB-ISOTOPE DATING OF THE ZOETLIEF SYSTEM SOUTH AFRICA.VAN NIEKERK CB; BURGER AJ.1968; EARTH PLANET. SCI. LETTERS; NLD; 1968(5), VOL. 4, NUM. 0003, P. 211 A 218Miscellaneous

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GEOTECTONIC SIGNIFICANCE OF RADIOMETRIC AGE DATA FROM THE LATE PROTEROZOIC KORAS GROUP, NORTHERN CAPE PROVINCE, SOUTH AFRICAKRONER A; VAJNER V; BURGER AJ et al.1977; COLLOQUIUM ON AFRICAN GEOLOGY. 9/1977/GOETTINGEN; DEU; GOETTINGEN: GEOL. PALAEOGEOL. INST.; DA. 1977; PP. 80-81; BIBL. 3 REF.Conference Paper

SUMMARY OF AGE DETERMINATIONS CARRIED OUT DURING THE PERIOD APRIL 1979 TO MARCH 1980 = RESUME DES DETERMINATIONS D'AGE REALISEES AU COURS DE LA PERIODE D'AVRIL 1979 A MARS 1980WALRAVEN F; BURGER AJ; ALLSOPP HL et al.1981; ANN. GEOL. SURV., PRETORIA; ISSN 0373-6954; ZAF; DA. 1981; VOL. 15; NO 1; PP. 89-94; 1 TAB. ; TABL.Article

MINERALOGICAL AND ISOTOPIC STUDIES OF THE CRYSTALLINE ROCKS OF THE OKIEP-NABABEEP DISTRICT, NAMAQUALANDCLIFFORD TN; STUMPFL EF; BURGER AJ et al.1978; GEOL. SOC. S. AFR., SPEC. PUBL.; ZAF; DA. 1978; NO 4; PP. 345-347; BIBL. 10 REF.; 1 ILL.; 4 ANAL.Conference Paper

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NEW LEAD ISOTOPIC AGES FOR MINERALS FROM GRANITIC ROCKS, NORTHERN AND CENTRAL TRANSVAAL.BURGER AJ; OOSTHUYZEN EJ; VAN NIEKERK CB et al.1967; ANN. GEOL. OPNAME; MDG; 1967, VOL. 6, P. 85 A 89Miscellaneous

AEREAL EXTENT AND PRELIMINARY AGES OF PRE-DAMARA BASEMENT IN THE CENTRAL DAMARA BELT OF SOUTH WEST AFRICAJACOB RE; BURGER AJ; KRONER A et al.1977; COLLOQUIUM ON AFRICAN GEOLOGY. 9/1977/GOETTINGEN; DEU; GOETTINGEN: GEOL. PALAEOGEOL. INST.; DA. 1977; PP. 48Conference Paper

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