Skip to main content

Advertisement

SpringerLink
Log in

Evidence for a 200 km thick diamond-bearing root beneath the Central Mackenzie Valley, Northwest Territories, Canada? Diamond indicator mineral geochemistry from the Horn Plateau and Trout Lake regions

  • Original Paper
  • Published:
Mineralogy and Petrology Aims and scope Submit manuscript

Abstract

The Central Mackenzie Valley (CMV) area of Northwest Territories is underlain by Precambrian basement belonging to the North American Craton. The potential of this area to host kimberlitic diamond deposits is relatively high judging from the seismologically-defined lithospheric thickness, age of basement rocks (2.2–1.7 Ga) and presence of kimberlite indicator minerals (KIMs) in Quaternary sediments. This study presents data for a large collection of KIMs recovered from stream sediments and till samples from two study areas in the CMV, the Horn Plateau and Trout Lake. In the processed samples, peridotitic garnets dominate the KIM grain count for both regions (> 25% each) while eclogitic garnet is almost absent in both regions (< 1% each). KIM chemistry for the Horn Plateau indicates significant diamond potential, with a strong similarity to KIM systematics from the Central and Western Slave Craton. The most significant issue to resolve in assessing the local diamond potential is the degree to which KIM chemistry reflects local and/or distal kimberlite bodies. Radiogenic isotope analysis of detrital kimberlite-related CMV ilmenite and rutile grains requires at least two broad age groups for eroded source kimberlites. Statistical analysis of the data suggests that it is probable that some of these KIMs were derived from primary and/or secondary sources within the CMV area, while others may have been transported to the area from the east-northeast by Pleistocene glacial and/or glaciofluvial systems. At this stage, KIM chemistry does not allow the exact location of the kimberlitic source(s) to be constrained.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10

Similar content being viewed by others

References

  • Aitchison J (1994) Principles of compositional data analysis. Multivariate Analysis and its Applications Inst Math S Lecture Notes – Monograph Series 24:73–81

    Article  Google Scholar 

  • Aitken JD (1993) Proterozoic sedimentary rocks. In: Stott DF, Aitken JD (eds) Sedimentary cover of the Craton in Canada, vol 5. Geol Surv Canada, Ottawa, pp 81–95

    Google Scholar 

  • Aspler LB, Pilkington M, Miles WF (2003) interpretation of Precambrian Basement based on recent aeromagnetic data, Mackenzie Valley, Northwest Territories. Current research 2003-C2, Geol Surv Canada, Ottawa

  • Aulbach S, Pearson NJ, O'Reilly SY, Doyle BJ (2007) Origins of xenolithic eclogites and pyroxenites from the Central Slave Craton, Canada. J Petrol 48:1843–1873

    Article  Google Scholar 

  • Aulbach S, Stachel T, Heaman LM, Carlson JA (2011) Microxenoliths from the Slave craton: archives of diamond formation along fluid conduits. Lithos 126:419–434

    Article  Google Scholar 

  • Burwash RA, Green AG, Jessop AM, Kanasewich ER (1993) Geophysical and petrological characteristics of the basement rocks of the Western Canada Basin. In: Stott DF, Aitken JD (eds) Sedimentary Cover of the Craton in Canada. Geol Surv Canada, Ottawa, vol 5, pp 55–77

    Google Scholar 

  • Bussweiler Y, Foley SF, Prelević D, Jacob DE (2015) The olivine macrocryst problem: new insights from minor and trace element compositions of olivine from Lac de Gras kimberlites, Canada. Lithos 220:238–252

    Article  Google Scholar 

  • Bussweiler Y, Brey GP, Pearson DG, Stachel T, Stern RA, Hardman MF, Kjarsgaard BA, Jackson SE (2017) The aluminum-in-olivine thermometer for mantle peridotites—experimental versus empirical calibration and potential applications. Lithos 271:301–314

    Article  Google Scholar 

  • Canil D (1999) The Ni-in-garnet geothermometer: calibration at natural abundances. Contrib Mineral Petrol 136:240–246

    Article  Google Scholar 

  • Carbno GB (2000) Geochemical and petrological interpretation of mantle structure beneath the southwest Slave Province, NWT. PhD thesis, University of Victoria

  • Carbno GB, Canil D (2002) Mantle structure beneath the SW slave craton, Canada: constraints from garnet geochemistry in the Drybones Bay kimberlite. J Petrol 43:129–142

    Article  Google Scholar 

  • Castillo-Oliver M, Melgarejo JC, Galí S, Pervov V, Gonçalves AO, Griffin WL, Pearson NJ, O'Reilly SY (2017) Use and misuse of Mg- and Mn-rich ilmenite in diamond exploration: a petrographic and trace element approach. Lithos 293:348–363

    Article  Google Scholar 

  • Cook FA, Erdmer P (2005) An 1800 km cross section of the lithosphere through the northwestern north American plate: lessons from 4.0 billion years of Earth’s history. Can J Earth Sci 42:1295–1311

    Article  Google Scholar 

  • Cook FA, van der Velden AJ, Hall KW, Roberts BJ (1999) Frozen subduction in Canada’s Northwest Territories: lithoprobe deep lithospheric reflection profiling of the Western Canadian Shield. Tectonics 18:1–24

    Article  Google Scholar 

  • Cookenboo HO, Grütter HS (2010) Mantle-derived indicator mineral compositions as applied to diamond exploration. Geochem Explor Environ Anal 10:81–95

    Article  Google Scholar 

  • Cooper SA, Belousova EA, Griffin WL, Morris BJ (2008) Age of FS66 kimberlite beneath Murray basin, South Australia: laser ablation ICP-MS dating of kimberlitic Zircon, Perovskite, and Rutile. Extended abstract IXth International Kimberlite Conference, Frankfurt, 9IKC-A-00106

  • Craig BG (1965) Glacial Lake McConnell, and the surficial geology of parts of Slave River and Redstone River map-areas, District of Mackenzie. Bulletin 122, Geol Surv Canada, Ottawa

  • Craigie ER (1991) Diamond drill data, Horn River project, April 9-August 16, 1990. Northwest Territories Assessment File Report 083067, Northwest Territories Geological Survey, Yellowknife

  • Creaser RA, Grütter H, Carlson J, Crawford B (2004) Macrocrystal phlogopite Rb–Sr dates for the Ekati property kimberlites, Slave Province, Canada: evidence for multiple intrusive episodes in the Paleocene and Eocene. Lithos 76:399–414

    Article  Google Scholar 

  • Creighton S (2009) The influence of mantle metasomatism on the oxidation state of the lithospheric mantle. PhD thesis, University of Alberta

  • Creighton S, Stachel T, Eichenberg D, Luth RW (2010) Oxidation state of the lithospheric mantle beneath Diavik diamond mine, Central Slave craton, NWT, Canada. Contrib Mineral Petrol 159:645–657

    Article  Google Scholar 

  • Davis WJ, Ootes L, Newton L, Jackson VA, Stern RA (2015) Characterization of the Paleoproterozoic Hottah terrane, Wopmay Orogen using multi-isotopic (U-Pb, Hf and O) detrital zircon analyses: an evaluation of linkages to northwest Laurentian Paleoproterozoic domains. Precambrian Res 269:296–310

    Article  Google Scholar 

  • Day HW (2012) A revised diamond-graphite transition curve. Am Mineral 97:52–62

    Article  Google Scholar 

  • Day SJA, Lariviere JM, McNeil RJ, Friske PWB, Cairns SR, McCurdy MW, Wilson RS (2007) National Geochemical Reconnaissance: regional stream sediment and water geochemical data, Horn Plateau area, Northwest Territories (parts of NTS 85E, 85F, 85K, 85L, 95H, 95I and 95J) including analytical, mineralogical and kimberlite indicator mineral data. GSC open file 5478, Geol Surv Canada, Ottawa

  • Dixon J (1999) Mesozoic-Cenozoic stratigraphy of the northern Interior Plains and plateaux, Northwest Territories. GSC Bulletin 536, Geol Surv Canada, Ottawa

  • Douglas RJW (1959) Great Slave and Trout River map-areas, Northwest Territories. GSC paper 58-11, Geol Surv Canada, Ottawa

  • Duk-Rodkin A, Hughes OL (1994) Tertiary-Quaternary drainage of the pre-glacial Mackenzie Basin. Quatern Int 22:221–241

    Article  Google Scholar 

  • Duk-Rodkin A, Lemmen DS (2000) Glacial history of the Mackenzie region. In: Dyke LD, Brooks GR (eds) The physical environment of the Mackenzie Valley, Northwest Territories: a base line for the assessment of environmental change. Geol Surv Canada, pp 11–20

    Google Scholar 

  • Fipke CE, Gurney JJ, Moore RO (1995) diamond exploration techniques emphasising indicator mineral geochemistry and Canadian examples. GSC bulletin 423, Geol Surv Canada, Ottawa, 86 pp

  • Fulton RJ (1995) Surficial Materials of Canada. Geological Survey of Canada Map 1880A, Geol Surv Canada, Ottawa

  • Gal LP, Lariviere JM (2004) Edéhzhíe candidate protected area non-renewable resource assessment (phase 1) Northwest Territories, Canada, NTS 085E-FKL and 095H-IJ. Northwest Territories Open File 2004-01, Northwest Territories Geological Survey, Yellowknife

  • Ghaznavi A, Taylor B, Henry JB (1986) Geophysical Exploration Report, Fort Simpson Survey, Northwest Territories. In: Open File Report 9229-P028-006E. National Energy Board, Calgary

    Google Scholar 

  • Grexton L (1995) 1993-1994 Regional Diamond Exploration Compilation Report on Geochemical and Geophysical Surveying, NTS 85L. Northwest Territories Assessment File Report 083528, Northwest Territories Geological Survey, Yellowknife

  • Griffin WL, Cousens DR, Ryan CG, Sie SH, Suter GF (1989) Ni in chrome pyrope garnets: a new geothermometer. Contrib Mineral Petrol 103:199–202

    Article  Google Scholar 

  • Griffin WL, Doyle BJ, Ryan CG, Pearson NJ, Suzanne YO, Davies R, Kivi K, Van Achterbergh E, Natapov LM (1999) Layered mantle lithosphere in the Lac de Gras area, Slave Craton: composition, structure and origin. J Petrol 40:705–727

    Article  Google Scholar 

  • Griffin WL, O'Reilly SY, Doyle BJ, Pearson NJ, Coopersmith H, Kivi K, Malkovets V, Pokhilenko N (2004) Lithosphere mapping beneath the north American plate. Lithos 77:873–922

    Article  Google Scholar 

  • Grütter HS (2009) Pyroxene xenocryst geotherms: techniques and application. Lithos 112:1167–1178

    Article  Google Scholar 

  • Grütter HS, Apter DB, Kong J (1999) Crust-mantle coupling: evidence from mantle-derived xenocrystic garnets. In: Gurney JJ, Gurney JL, Pascoe MD, Richardson SH (eds) The JB Dawson volume, Proceedings of the VIIth International Kimberlite Conference. Red Roof Design, Cape Town, pp 307–313

    Google Scholar 

  • Grütter HS, Gurney JJ, Menzies AH, Winter F (2004) An updated classification scheme for mantle-derived garnet, for use by diamond explorers. Lithos 77:841–857

    Article  Google Scholar 

  • Grütter HS, Latti D, Menzies A (2006) Cr-saturation arrays in concentrate garnet compositions from kimberlite and their use in mantle barometry. J Petrol 47:801–820

    Article  Google Scholar 

  • Hardman MF, Pearson DG, Stachel T, Sweeney RJ (2018a) Statistical approaches to the discrimination of crust- and mantle-derived low-Cr garnet – major-element-based methods and their application in diamond exploration. J Geochem Explor 186:24–35

    Article  Google Scholar 

  • Hardman MF, Pearson DG, Stachel T, Sweeney RJ (2018b) Statistical approaches to the discrimination of mantle- and crust-derived low-Cr garnets using major and trace element data. Miner Petrol, this volume

  • Harris GA, Pearson DG, Liu J, Hardman MF, Snyder DB, Kelsch D (2018) Mantle composition, age and geotherm beneath the Darby kimberlite field, west central Rae craton. Miner Petrol, this volume

  • Hasterok D, Chapman DS (2011) Heat production and geotherms for the continental lithosphere. Earth Planet Sc Lett 307:59–70

    Article  Google Scholar 

  • Heaman LM, Kjarsgaard BA, Creaser RA (2003) The timing of kimberlite magmatism in North America: implications for global kimberlite genesis and diamond exploration. Lithos 71:153–184

    Article  Google Scholar 

  • Huntley DH, Little E, Duk-Rodkin A, Sandeman H (2006) Drift geochemistry of south-Central Mackenzie Valley watershed: new hypotheses resulting from reconnaissance drift and stream sediment sampling surveys in the NWT. 34th Annual Yellowknife Geoscience Forum poster. https://geochem.nrcan.gc.ca/cdogs/content/pub/pub01496_e.htm

  • Huntley DH, Mills A, Paulen R (2008) surficial deposits, landforms, glacial history, and reconnaissance drift sampling in the Trout Lake map area, Northwest Territories. GSC current research 2008-14, Geol Surv Canada, Ottawa

  • Janse AJ (1994) Is Clifford’s Rule still valid? Affirmative examples from around the world. In: Meyer HOA, Leonardos OH (eds) Diamonds: characterization, genesis and exploration. Proceedings of the Vth International Kimberlite Conference, vol 2, pp 215–235

    Google Scholar 

  • Kerr DE, Kjarsgaard IM, Smith D (2000) Chemical characteristics of kimberlite indicator minerals from the Drybones Bay area (NTS 85I/4), Northwest Territories. GSC Open File 3942, Geol Surv Canada, Ottawa

  • Malkovets VG, Rezvukhin DI, Belousova EA, Griffin WL, Sharygin IS, Tretiakova IG, Gibsher AA, O'Reilly SY, Kuzmin DV, Litasov KD, Logvinova AM (2016) Cr-rich rutile: a powerful tool for diamond exploration. Lithos 265:304–311

    Article  Google Scholar 

  • Margold M, Stokes CR, Clark CD, Kleman J (2015) Ice streams in the Laurentide ice sheet: a new mapping inventory. J Maps 11:380–395

    Article  Google Scholar 

  • Mather KA, Pearson DG, McKenzie D, Kjarsgaard BA, Priestley K (2011) Constraints on the depth and thermal history of Cratonic lithosphere from peridotite xenoliths, xenocrysts and seismology. Lithos 125:729–742

    Article  Google Scholar 

  • McClenaghan MB (2005) Indicator mineral methods in mineral exploration. Geochem Explor Environ Anal 5:233–245

    Article  Google Scholar 

  • McClenaghan MB, Ward BC, Kjarsgaard IM, Kjarsgaard BA, Kerr DE, Dredge LA (2002) Indicator mineral and till geochemical dispersal patterns associated with the Ranch Lake kimberlite, Lac de Gras region, NWT, Canada. Geochem Explor Environ Anal 2:299–319

    Article  Google Scholar 

  • McDonough WF, Sun SS (1995) The composition of the Earth. Chem Geol 120:223–253

    Article  Google Scholar 

  • Meijer-Drees NC (1993) The Devonian succession in the subsurface of the Great Slave and Great Bear plains, Northwest Territories. GSC Bulletin 393, Geol Surv Canada, Ottawa

  • Menzies A, Westerlund K, Grütter H, Gurney J, Carlson J, Fung A, Nowicki T (2004) Peridotitic mantle xenoliths from kimberlites on the Ekati Diamond Mine property, NWT, Canada: major element compositions and implications for the lithosphere beneath the Central Slave craton. Lithos 77:395–412

    Article  Google Scholar 

  • Mills AJ (2008) Phase II non-renewable resource assessment: analysis and interpretation of regional stream sediment and water results for Edéhzhíe Candidate Protected Area, Northwest Territories, Canada. Northwest Territories Geoscience Office Open File 2008-03, Northwest Territories Geological Survey, Yellowknife

  • Nimis P (1998) Clinopyroxene geobarometry of pyroxenitic xenoliths from Hyblean Plateau (SE Sicily, Italy). Eur J Mineral 22:521–534

    Article  Google Scholar 

  • Nimis P, Taylor WR (2000) Single clinopyroxene thermobarometry for garnet peridotites. Part I. calibration and testing of a Cr-in-Cpx barometer and an enstatite-in-Cpx thermometer. Contrib Mineral Petrol 139:541–554

    Article  Google Scholar 

  • Nowell GM, Pearson DG, Bell DR, Carlson RW, Smith CB, Kempton PD, Noble SR (2004) Hf isotope systematics of kimberlites and their megacrysts: new constraints on their source regions. J Petrol 45:1583–1612

    Article  Google Scholar 

  • Ootes L, Davis WJ, Jackson VA, van Breemen O (2015) Chronostratigraphy of the Hottah terrane and Great Bear magmatic zone of Wopmay orogen, Canada, and exploration of a terrane translation model. Can J Earth Sci 52(12):1062–1092

    Article  Google Scholar 

  • Parent M, Paradis SJ, Doiron A (1996) Palimpsest glacial dispersal trains and their significance for drift prospecting. J Geochem Explor 56:123–140

    Article  Google Scholar 

  • Paulen RC (2009) Sampling techniques in the Western Canada Sedimentary Basin and the Cordillera. In: Paulen RC, McMartin I (eds) Application of till and stream sediment heavy mineral and geochemical methods to mineral exploration in Western and northern Canada. Geol Surv Canada, Ottawa, pp 49–74

    Google Scholar 

  • Paulen RC (2013) A revised look at Canada’s landscape: glacial processes and dynamics. In: Paulen RC, McClenaghan MB (eds) New Frontiers for exploration in glaciated terrain. Geol Surv Canada, Ottawa, pp 21–26

    Chapter  Google Scholar 

  • Pitman PW (2014) Technical report on the HOAM project, Northwest Territories, Canada NTS map sheets 85L, 85M, 95A, 95G, 95H, 95I, 95J, 95O, 95P, 96A and 96B. Olivut Resources Ltd., Hinton, pp 1–55 https://www.sedar.com/FindCompanyDocuments.do

    Google Scholar 

  • Pohar M, Blas M, Turk S (2004) Comparison of logistic regression and linear discriminant analysis: a simulation study. Metodoloski zvezki 1:143–161

    Google Scholar 

  • Pronk P (2008) Sambaa K’e candidate protected area, non-renewable resource assessment phase I, minerals. Northwest Territories Geoscience Office Open File Report 2008-08, Northwest Territories Geological Survey, Yellowknife

  • Rampton VN (2000) Large-scale effects of subglacial meltwater flow in the southern Slave Province, Northwest Territories, Canada. Can J Earth Sci 37:81–93

    Article  Google Scholar 

  • Ramsay RR, Tompkins LA (1994) The geology, heavy mineral concentrate mineralogy, and diamond prospectivity of the Boa Eperança and Cana Verde pipes, Corrego D’Anta, Minas Gerais, Brazil. In: Meyer HOA, Leonardos OH (eds) Kimberlites, related rocks and mantle xenoliths. Companhia de Pesquisa de Recursos Minerais, Rio de Janeiro, vol 1, pp 329–345

  • Reimann C, Filzmoser P (2000) Normal and lognormal data distribution in geochemistry: death of a myth. Consequences for the statistical treatment of geochemical and environmental data. Environ Geol 39:1001–1014

    Article  Google Scholar 

  • Roeder PL, Schulze DJ (2008) Crystallization of groundmass spinel in kimberlite. J Petrol 49:1473–1495

    Article  Google Scholar 

  • Rutter NW, Hawes RJ, Catto NR (1993) Surficial geology, southern Mackenzie River valley, District of Mackenzie, Northwest Territories. Geological Survey of Canada Map 1693A, Geol Surv Canada, Ottawa

  • Sarkar C, Heaman LM, Pearson DG (2015) Duration and periodicity of kimberlite volcanic activity in the Lac de Gras kimberlite field, Canada and some recommendations for kimberlite geochronology. Lithos 218:155–166

    Article  Google Scholar 

  • Schaeffer AJ, Lebedev S (2014) Imaging the north American continent using waveform inversion of global and USArray data. Earth Planet Sc Lett 402:26–41

    Article  Google Scholar 

  • Schulze DJ, Anderson PF, Hearn BC Jr, Hetman CM (1995) Origin and significance of ilmenite megacrysts and macrocrysts from kimberlite. Int Geol Rev 37:780–812

    Article  Google Scholar 

  • Sobolev NV (1977) Deep-seated inclusions in kimberlites and the problem of the Upper Mantle composition. American Geophysical Union, Washington 259 pp

    Book  Google Scholar 

  • Stachel T, Harris JW (2008) The origin of cratonic diamonds—constraints from mineral inclusions. Ore Geol Rev 34:5–32

    Article  Google Scholar 

  • Stott DF, Caldwell WG, Cant DJ, Christopher JE, Dixon J, Koster EH, McNeil DH, Simpson F (1993) Cretaceous. In: Stott DR, Aitken JD (eds) Sedimentary cover of the craton in Canada. Geol Surv Canada, Ottawa, vol, vol 5, pp 358–438

    Chapter  Google Scholar 

  • Villeneuve ME, Thériault RJ, Ross GM (1991) U–Pb ages and Sm–Nd signature of two subsurface granites from the Fort Simpson magnetic high, Northwest Canada. Can J Earth Sci 28:1003–1008

    Article  Google Scholar 

  • Watson DM (2010) Sambaa K’e Candidate Protected Area Phase II Non-renewable Resource Assessment –Minerals, Northwest Territories, Parts of NTS 085D,095A,B,H. Northwest Territories Geoscience Office Open File 2010–08, Northwest Territories Geological Survey, Yellowknife

  • Williams GK (1985) Proterozoic, Mackenzie Corridor. GSC Open File 1273, Geol Surv Canada, Ottawa

  • Wyatt BA, Baumgartner M, Anckar E, Grütter H (2004) Compositional classification of “kimberlitic” and “non-kimberlitic” ilmenite. Lithos 77:819–840

    Article  Google Scholar 

  • Zack T, Stockli DF, Luvizotto GL, Barth MG, Belousova E, Wolfe MR, Hinton RW (2011) In situ U–Pb rutile dating by LA-ICP-MS: 208 Pb correction and prospects for geological applications. Contrib Mineral Petrol 162:515–530

    Article  Google Scholar 

Download references

Acknowledgements

The authors thank the NTGS, Peregrine Diamonds, Diavik Diamond Mines and Dominion Diamonds for supplying ilmenites for Hf isotope characterization. Andrew Schaefer is thanked for his seismic tomography cross-sections. This manuscript was significantly improved by reviews from Bruce Kjarsgaard and Curtis Brett and guest editor Alan Kobussen. The authors also thank Andrew Locock, Chiranjeeb Sarkar, Martin Von Dollen, Mark Labbe, Yannick Bussweiler and Yan Luo for valuable guidance and discussions regarding analytical techniques and publishing the data. We gratefully acknowledge the permission of the NTGS to publish this data and are grateful for funding student salary and analytical costs associated with this research project. The remainder of funding was provided by a Natural Sciences and Engineering Research Council of Canada Collaborative Research and Training Experience Program grant to Pearson (Grant # 479905-2016).

Author information

Authors and Affiliations

  1. Department of Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB, T6G 2E3, Canada

    Stéphane P. Poitras, D. Graham Pearson, Matthew F. Hardman & Thomas Stachel

  2. Department of Earth Sciences, Science Labs, Durham University, Elvet Hill, Durham, DH1 3LE, UK

    Geoff M. Nowell

  3. Northwest Territories Geological Survey, 5310 44 St, Yellowknife, NT, X1A 1K3, Canada

    Scott Cairns

Authors
  1. Stéphane P. Poitras
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. D. Graham Pearson
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Matthew F. Hardman
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Thomas Stachel
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Geoff M. Nowell
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Scott Cairns
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Stéphane P. Poitras.

Additional information

Editorial handling: A. Kobussen

Electronic supplementary material

ESM 1

(PDF 3698 kb)

ESM 2

(PDF 145 kb)

ESM 3

(XLSX 1200 kb)

ESM 4

(PDF 28 kb)

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Poitras, S.P., Pearson, D.G., Hardman, M.F. et al. Evidence for a 200 km thick diamond-bearing root beneath the Central Mackenzie Valley, Northwest Territories, Canada? Diamond indicator mineral geochemistry from the Horn Plateau and Trout Lake regions. Miner Petrol 112 (Suppl 2), 719–736 (2018). https://doi.org/10.1007/s00710-018-0641-4

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00710-018-0641-4

Keywords

Search

Navigation