ZIRCONIUM - HAFNIUM RATIOS IN SOME IGNEOUS ROCKS

[1] BORLEY GD, 1963, MINERAL MAG, V33, P358

[2] BOWDEN P, 1961, THESIS U LONDON

[3] K-RB RATIOS IN THE EVOLUTION OF THE YOUNGER GRANITES OF NORTHERN NIGERIA [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (JAN) : 89 - 100

[4] ZIRCONIUM, NIOBIUM AND CERTAIN OTHER TRACE ELEMENTS IN SOME ALKALI IGNEOUS ROCKS [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (SEP) : 945 - 953

[5] CAESIUM IN SOME ALKALI GRANITES (YOUNGER GRANITES) OF NORTHERN NIGERIA [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1963, 27 (JUL) : 769 - 773

[6] BUTLER JR, 1962, GEOCHEMISTRY, P599

[7] CURRIE KL, 1962, CANAD MIN, V7, P264

[8] DEGENHART H, 1957, GEOCHIM COSMOCHIM AC, V28, P279

[9] SUMMARY OF NEW DATA ON ROCK SAMPLES G-1 AND W-1 [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (MAY) : 525 - 543

[10] FLEISCHER M, 1955, 1021A US GEOL SURV B, P1

[1] BORLEY GD, 1963, MINERAL MAG, V33, P358

[2] BOWDEN P, 1961, THESIS U LONDON

[3] K-RB RATIOS IN THE EVOLUTION OF THE YOUNGER GRANITES OF NORTHERN NIGERIA [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (JAN) : 89 - 100

[4] ZIRCONIUM, NIOBIUM AND CERTAIN OTHER TRACE ELEMENTS IN SOME ALKALI IGNEOUS ROCKS [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (SEP) : 945 - 953

[5] CAESIUM IN SOME ALKALI GRANITES (YOUNGER GRANITES) OF NORTHERN NIGERIA [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1963, 27 (JUL) : 769 - 773

[6] BUTLER JR, 1962, GEOCHEMISTRY, P599

[7] CURRIE KL, 1962, CANAD MIN, V7, P264

[8] DEGENHART H, 1957, GEOCHIM COSMOCHIM AC, V28, P279

[9] SUMMARY OF NEW DATA ON ROCK SAMPLES G-1 AND W-1 [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 1962, 26 (MAY) : 525 - 543

[10] FLEISCHER M, 1955, 1021A US GEOL SURV B, P1