Table 1.

Sample localities, rock types and Sm–Nd data.

Stratigraphic nameRock typeSample no.LatitudeLongitudeTerraneSm ppmNd ppm147Sm/144NdError %143Nd/144NdError %TCHURTDM
Jannelsepan FnAmphiboliteAP4-229°03.750′21°02.340′Ar2.707.880.20760.750.5130090.00450725337
Jannelsepan FnPhlogopite cordierite gneissAP4-2029°03.750′21°02.340′Ar3.0413.510.13620.750.5123220.0047981410
Jannelsepan FnMassive sulphide oreAP4-2329°03.750′21°02.340′Ar0.2730.9730.16970.750.5124760.0049181952
Jannelsepan FnAmphiboliteAP22-1329°03.750′21°02.340′Ar6.935.70.11680.750.5119600.00412941694
Jannelsepan FnMetapeliteAP4-729°03.750′21°02.340′Ar11.943.80.16430.750.5126080.0041421333
Jannelsepan Fn?Augen gneissAP22-1429°03.750′21°02.340′Ar5.0419.710.15460.750.5124920.0045311411
Jannelsepan Fn?LeucogneissAP22-729°03.750′21°02.340′Ar5.2326.270.12040.750.5118340.00416051966
JoslingGranite gneissDC038429°21.674′21°08.194′Ar6.9030.80.13590.10.5122730.0029171499
Jannelsepan Fn?Intermediate biotite-hornblende gneissDC043928°30.279′21°12.378′Ar10.768.60.094330.10.5111940.00221442356
Leeuwdraai Fn, Koras GroupFelsic lavaDC026328°27.800′21°40.800′Kai10.965.80.10000.10.5117470.00214041729
WilgenhoutsdrifMylonitic felsic lavaDC037528°30.022′21°43.864′Kai3.405.800.35220.10.5136870.0021027701
KalkwerfGranite gneissDC037928°41.586′21°48.730′Kai5.5027.50.12140.10.5116760.00219442252
Swartkopsleegte Fn, Koras GroupFelsic lavaDC038028°24.878′21°36.364′Kai15.277.00.11890.10.5120610.00211311570
StraussburgBiotite granite gneissDC038128°27.180′21°19.127′Kai11.658.00.12060.10.5119670.00213441752
SwanartzBiotite graniteDC042828°24.794′21°25.900′Kai7.4547.00.095720.10.5115050.00217081978
FriersdalePyroxene-hornblende biotite graniteDC038628°37.819′21°30.299′Km14.978.70.11430.10.5120000.00211811591
VaalputsBiotite graniteDC038928°41.542′21°00.983′Km10.553.90.11740.10.5120160.00211961616
FriersdalePyroxene-hornblende biotite graniteDC039028°47.010′20°47.717′Km14.777.40.11440.10.5119830.00212141618
RiemvasmaakBiotite granite gneissDC039128°33.096′20°17.185′Km15.270.90.12940.10.5121810.00210361549
RiemvasmaakHornblende granite gneissDC039228°38.406′20°20.601′Km18.391.90.12010.10.5122040.0028651360
PolisiehoekBiotite granite gneissDC044728°50.135′19°43.617′Km6.4423.10.16830.10.5123740.00214202244
Beenbreek?Biotite megacrystic gneissDC039828°50.133′19°30.283′Km11.179.70.084400.10.5118120.00211221445
CoboopMuscovite biotite augen granite gneissDC039728°52.223′19°20.312′Ri3.3024.60.082000.10.5110720.00220752274
AroamsBiotite granite gneissDC039929°07.030′19°24.258′Bu8.5045.20.11400.10.5115210.00220542322
AchabBiotite hornblende granite gneissDC0310029°13.591′18°54.769′Bu10.053.60.11270.10.5112310.00225432740
Klein Namaqualand SuiteBiotite hornblende granite gneissDC0310529°28.133′18°27.257′Bu7.2043.50.099600.10.5118180.00212871628
BurtonsputsBiotite granite gneissDC0310630°04.666′18°30.615′Bu6.2031.90.11760.10.5120670.00211011540
Klein Namaqualand SuiteBiotite granite gneissDC0310729°59.677′18°47.033′Bu11.359.80.11380.10.5120380.00211041525
ConcordiaGarnetiferous leucograniteDC0310829°35.939′17°50.501′Bu10.453.10.11880.10.5116930.00218462161
ModderfonteinBiotite hornblende granite gneissDC0310929°36.171′17°50.666′Bu3.4018.10.11360.10.5117740.00215831923
Landplaas GneissGranite gneissDC0114531°05.202′19°14.003′Bu7.8039.80.11880.10.5121530.0029501422
Banks VleiBiotite granite gneissDC039628°57.460′20°21.278′Bu5.9336.60.098010.10.5114270.00218672121
CHUR used in this work0.19660.10.5126380.002
DM present day0.21360.10.5131500.002
  • Note: Tectono-stratigraphic abbreviations are: Ar, Areachap Terrane; Kai, Kaaien Terrane; Km, Kakamas Terane; Ri, Richtersveld Subprovince; Bu, Bushmanland Terrane.