FIU Discovery

Zinc isotope evidence for carbonate alteration of oceanic crustal protoliths of cratonic eclogites.  EARTH AND PLANETARY SCIENCE LETTERS.  580.

Micro-diamonds: Proposed origins, crystal growth laws, and the underlying principle governing resource predictions.  GEOCHIMICA ET COSMOCHIMICA ACTA.  266:184-196.

Majorite-indicative ultradeep (>300 km) xenoliths with spinel associations from the Jagersfontein kimberlite, South Africa.  SOUTH AFRICAN JOURNAL OF GEOLOGY.  120:1-20.

Kimberlite discoveries in NW Liberia: Tropical exploration & preliminary results.  JOURNAL OF GEOCHEMICAL EXPLORATION.  173:99-109.

Overview of Diamond Resources in Africa.  EPISODES.  39:199-237.

DISCOVERY OF A KIMBERLITE PIPE AND RECOGNITION OF A DIAGNOSTIC BOTANICAL INDICATOR IN NW LIBERIA.  ECONOMIC GEOLOGY.  110:851-856.

Carbonado: Physical and chemical properties, a critical evaluation of proposed origins, and a revised genetic model.  EARTH-SCIENCE REVIEWS.  130:49-72.

Kimberlite, lamproite, ultramafic lamprophyre, and carbonatite relationships on the Dharwar Craton, India; an example from the Khaderpet pipe, a diamondiferous ultramafic with associated carbonatite intrusion.  LITHOS.  182-183:102-113.

Magnetic inclusions in diamonds.  EARTH AND PLANETARY SCIENCE LETTERS.  267:333-340.

Infrared absorption investigations confirm the extraterrestrial origin of carbonado diamonds.  ASTROPHYSICAL JOURNAL.  653:L153-L156.

Orbicular oxides in carbonatitic kimbeilites.  AMERICAN MINERALOGIST.  91:1461-1472.

Geological setting and chemistry of kimberlite clan rocks in the Dharwar Craton, India.  LITHOS.  76:535-549.

The crater-facies kimberlite system of Tokapal, Bastar District, Chhattisgarh, India.  LITHOS.  76:201-217.

Geochemistry of xenolithic eclogites from West Africa, part 2: Origins of the high MgO eclogites.  GEOCHIMICA ET COSMOCHIMICA ACTA.  66:4325-4345.

Thermal stability and spectroscopic studies of zemkorite: A carbonate from the Venkatampalle kimberlite of southern India.  AMERICAN MINERALOGIST.  87:1384-1389.

"Majorite" and "silicate perovskite" mineral compositions in xenoliths from Malaita..  SCIENCE.  292:1015.

Geochemistry of xenolithic eclogites from West Africa, part I: A link between low MgO eclogites and archean crust formation.  GEOCHIMICA ET COSMOCHIMICA ACTA.  65:1499-1527.

Small-scale oxygen isotope variations and petrochemistry of ultradeep (>300 km) and transition zone xenoliths.  GEOCHIMICA ET COSMOCHIMICA ACTA.  64:117-131.

Ultradeep xenoliths from African kimberlites: Sr and Nd isotopic compositions suggest complex history.  EARTH AND PLANETARY SCIENCE LETTERS.  170:73-82.

Eclogites and the metasomatism of eclogites from the Jagersfontein Kimberlite: punctuated transport and implications for alkali magmatism.  GEOCHIMICA ET COSMOCHIMICA ACTA.  62:1207-1231.

Petrography and mineral compositions of eclogites from the Koidu Kimberlite Complex, Sierra Leone.  JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES.  100.

Upper mantle mineralogy

Symplectites in upper mantle peridotites: Development and implications for the growth of subsolidus garnet, pyroxene and spinel.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  118:138-156.

The characterisation and origin of graphite in cratonic lithospheric mantle: a petrological carbon isotope and Raman spectroscopic study.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  115:449-466.

Apatite, phosphorus and titanium in eclogitic garnet from the upper mantle.  GEOPHYSICAL RESEARCH LETTERS.  21:1699-1702.

Comparative geochemistry of West African kimberlites: Evidence for a micaceous kimberlite endmember of sublithospheric origin.  GEOCHIMICA ET COSMOCHIMICA ACTA.  58:4017-4037.

Silicate-carbonate liquid immiscibility in upper-mantle eclogites: Implications for natrosilicic and carbonatitic conjugate melts.  GEOCHIMICA ET COSMOCHIMICA ACTA.  58:2997-3011.

Superkimberlites: A geodynamic diamond window to the Earth's core.  EARTH AND PLANETARY SCIENCE LETTERS.  122:57-69.

Coupled substitution of H and minor elements in rutile and the implications of high OH contents in Nb- and Cr-rich rutile from the upper mantle.  AMERICAN MINERALOGIST.  78:1181-1191.

Interpretation of satellite magnetic anomalies over the West African Craton.  TECTONOPHYSICS.  212:21-32.

Ultradeep (>300 kilometers) ultramafic xenoliths: Petrological evidence from the transition zone.  SCIENCE.  252:827-830.

Biogenic magnetite and the magnetization of sediments.  JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES.  95:4355-4361.

Magnetic properties and opaque mineralogy of rocks from selected seafloor hydrothermal sites at oceanic ridges.  JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES.  95.

Oxide Mineralogy and Magnetic Properties of the Koidu Kimberlite Complex, Sierra Leone, West Africa.  GEOPHYSICAL JOURNAL INTERNATIONAL.  100:275-283.

The effects of serpentinization on density and magnetic susceptibility: a petrophysical model.  PHYSICS OF THE EARTH AND PLANETARY INTERIORS.  65:137-157.

Ultradeep (greater than 300 kilometers), ultramafic upper mantle xenoliths.  SCIENCE.  248:993-996.

Petrochemistry of eclogites from the Koidu Kimberlite Complex, Sierra Leone.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  103:397-422.

Crustal evolution and the granulite to eclogite transition in xenoliths from kimberlites in the West African Craton.  TECTONOPHYSICS.  161:213-231.

Hawthorneite, Ba[Ti3Cr4Fe4Mg]O19: a new metasomatic magnetoplumbite-type mineral from the upper mantle.  AMERICAN MINERALOGIST.  74:668-675.

Limiting depth of magnetization in cratonic lithosphere.  GEOPHYSICAL RESEARCH LETTERS.  15:530-533.

Evidence for mantle metasomatism in peridotite nodules from the Kimberley pipes, South Africa.

Metasomatic mineral titanates in upper mantle xenoliths.

Nb-Cr-rutile in the Orapa kimberlite, Botswana..  CANADIAN MINERALOGIST.  25:251-264.

Structure of a new upper-mantle, magnetoplumbite-type phase, Ba(Ti3Cr4Fe4Mg)O19..  AMERICAN MINERALOGIST.  72:633-636.

Diamond genesis in a multiply-constrained model.  NATURE.  320:34-38.

Metasomatic mineral titanate complexing in the upper mantle.  NATURE.  319:761-763.

A new K-V-Ba titanate related to priderite from the New Elands kimberlite, South Africa.

A remanent and induced magnetization model of Magsat vector anomalies over the west African craton.  GEOPHYSICAL RESEARCH LETTERS.  13:341-344.

Groundmass oxide minerals in the Koidu kimberlite dikes, Sierra Leone, West Africa.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  91:245-263.

Macrocryst Fe - Ti oxides in olivine melilitites from Namaqualand-Bushmanland South Africa.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  91:163-170.

Native iron in the continental lower crust: Petrological and geophysical implications.  SCIENCE.  229:647-649.

Paleomagnetism and magnetic mineralogy of the Nahant gabbro and tonalite, eastern Massachusetts.

Kimberlitic chlorites from Sierra Leone, West Africa: unusual chemistries and structural polytypes..  AMERICAN MINERALOGIST.  69:237-249.

Subsolidus reactions in kimberlitic ilmenites: exsolution, reduction and the redox state of the mantle.

The Benfontein kimberlite sills: magmatic reactions and high intrusion temperatures.

The Koidu kimberlite complex, Sierra Leone: geological setting, petrology and mineral chemistry.

Redox state of Earth's upper mantle from kimberlitic ilmenites.  NATURE.  303:295-300.

Strontian-loparite and strontio-chevkinite: Two new minerals in rheomorphic fenites from the Paraná Basin carbonatites, South America.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  84:365-381.

The ore minerals and their intergrowths 2nd edition by Paul Ramdohr, Pergamon Press, 1980, 1205 p., US$200.00.  GEOCHIMICA ET COSMOCHIMICA ACTA.  47:992-993.

A freudenbergite-related mineral in granulites from a kimberlite in Liberia, West Africa.

Fission track dating of kimberlitic zircons.  EARTH AND PLANETARY SCIENCE LETTERS.  63:41-50.

Lindsleyite (Ba) and mathiasite (K): two new chromium-titanates in the crichtonite series from the upper mantle..  AMERICAN MINERALOGIST.  68:494-505.

Radioactive nuclear waste stabilization: aspects of solid-state molecular engineering and applied geochemistry.

The mineral chemistry of new titanates from the jagersfontein kimberlite, South Africa: Implications for metasomatism in the upper mantle.  GEOCHIMICA ET COSMOCHIMICA ACTA.  47:1833-1854.

Kimberlites in western Liberia: an overview of the geological setting in a plate tectonic framework..  JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES.  87.

The mineralogy of global magnetic anomalies ( West Africa).

The mineralogy of global magnetic anomalies.

Bulk compositions of chondrules in the Allende meteorite.

Experimental studies bearing on the magnetite-alloy-sulfide association in the Allende meteorite: constraints on the conditions of chondrule formation.

The aeromagnetic mineralogy of igneous rocks.

The Allende meteorite: Evidence for a new cosmothermometer based on Ti3+Ti4+.  NATURE.  276:221-225.

Mineralogical contraints on Curie isotherms in deep crustal magnetic anomalies.  GEOPHYSICAL RESEARCH LETTERS.  5:105-108.

The redox state of planetary basalts.  GEOPHYSICAL RESEARCH LETTERS.  5:443-446.

Luna 24: Opaque mineral chemistry of gabbroic and basaltic fragments from Mare Crisium.  GEOPHYSICAL RESEARCH LETTERS.  4:489-492.

Petrography, petrology and tectonic implications of Mitre Island, northern Fiji Plateau.  MARINE GEOLOGY.  24:123-148.

The chemistry and genesis of opaque minerals in kimberlites

The opaque minerals in stony meteorites Paul Ramdohr. Elsevier Publishing Co., Amsterdam 1973. $20.95, 333 p..  GEOCHIMICA ET COSMOCHIMICA ACTA.  38:1489-1490.

Ortho and Para-Armalcolite Samples in Apollo 17.  NATURE.  242:123-125.

Luna 20: mineral chemistry of spinel, pleonaste, chromite, ulvöspinel, ilmenite and rutile.  GEOCHIMICA ET COSMOCHIMICA ACTA.  37.

SOLID SOLUTION, SUBSOLIDUS REDUCTION AND COMPOSITIONAL CHARACTERISTICS OF SPINELS IN SOME APOLLO 15 BASALTS.  METEORITICS & PLANETARY SCIENCE.  7:353-370.

Luna 16: An opaque mineral study and a systematic examination of compositional variations of spinels from Mare Fecunditatis.  EARTH AND PLANETARY SCIENCE LETTERS.  13:328-352.

Palaeomagnetism of Ten Lava Sequences from South‐ Western Iceland

Subsolidus Reduction of Lunar Spinels.  NATURE.  234:113-117.

Compositional Variations in Lunar Spinels.  NATURE.  233:156-160.

Magnetism and opaque mineralogy of basalts from the Mid-Atlantic Ridge at 45° N.  NATURE.  228:974-976.

Apollo 12: Opaque oxides.  EARTH AND PLANETARY SCIENCE LETTERS.  9:379-387.

Iron-titanium oxides and olivine from 10020 and 10071.  SCIENCE.  167:613-615.

Oxidation and Magnetic Polarity in Single Icelandic Lavas and Dikes

Variation of Palaeomagnetic Stability and Other Parameters in a Vertical Traverse of a Single Icelandic Lava

Geomagnetic polarity zones for icelandic lavas.  NATURE.  216:25-29.

The alteration of olivine in basaltic and associated lavas - Part I: High temperature alteration.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  16:233-257.

The alteration of olivine in basaltic and associated lavas - Part II: Intermediate and low temperature alteration.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  16:258-273.

Primary oxidation variation and petrogenesis in a single lava.  CONTRIBUTIONS TO MINERALOGY AND PETROLOGY.  15:251-271.

Primary oxidation variation and distribution of uranium and thorium in a lava flow.  SCIENCE.  155:579-581.

Reversals of the earth's magnetic field

Some magnetic properties and the possible petrogenetic significance of oxidized zones in an icelandic olivine basalt.  NATURE.  206:797-800.

CARBONADO DIAMOND: A REVIEW OF PROPERTIES AND ORIGIN.  GEMS & GEMOLOGY.  53:168-179.

Oxide mineralogy of the upper mantle.  355-416.

Oxide textures - A Mini-Atlas.  129-220.

Opaque mineral oxides in terrestrial igneous rocks.  303-502.

Oxidation of opaque mineral oxides in basalts.  113-212.

Kimberlites, Supercontinents and Deep Earth Dynamics: Mid-Proterozoic India in Rodinia.  421-435.

The Mineral Chemistry of Ilmenite Nodule Associations from the Monastery Diatreme.  249-256.

The Oka Carbonatite Complex: Magnetite Compositions and the Related Role of Titanium in Pyrochlore.  382-392.

Zircon‐Oxide Reactions in Diamond‐Bearing Kimberlites.  229-240.

23 THE CHEMISTRY AND GENESIS OF OPAQUE MINERALS IN KIMBERLITES.  295-307.

Kimberlite-carbonatite relationships revisited: evidence from Khaderpet pipe, Andhra Pradesh, India

Discovery of the very large crater-facies kimberlite system of Tokapal, Bastar district, Chhattisgarh, India

The origin of alkremites and related rocks: a Lu-Hf, Rb-Sr and Sm-Nd isotope study

The role of eclogites in the growth of Archean cratons: a case study from west S.E. Africa.  52-54.

Small scale oxygen isotope variations in ultradeep (>300 km) and transition zone xenoliths.  126-128.

Characterisation of metasomatic processes in peridotite nodules contained in kimberlite.  232-234.

Oxide and silicate minerals in the kimberlites of Minas Gerais, Brazil.  69-71.

Subcontinental lithospheric and asthenospheric metasomatism in the region of Jagersfontein, South Africa.  235-237.

MINERAL CHEMISTRY AND GEOLOGICAL DISTRIBUTION OF PHASES IN SYNROC..  425-426.

Zircon-oxide reactions in diamond-bearing kimberlites.  268-270.

Reply [ to “Comment on ‘Limiting depth of magnetization in cratonic lithosphere’”].  GEOPHYSICAL RESEARCH LETTERS. 480-482.

Spinel in planetary systems.  AMERICAN MINERALOGIST. 5-6.

Presentation of the Mineralogical Society of America Roebling Medal for 2004 to Frances R. "Joe" Boyd.  AMERICAN MINERALOGIST. 1021-1022.

A diamond trilogy: Superplumes, supercontinents, and supernovae.  SCIENCE. 851-860.