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Home > Museums and Research Centers > Karst and Cave Studies > FMD

Ferromanganese Deposits

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  • Filaments, high magnification by M. Spilde and D. Northup

    Filaments, high magnification

  • Filaments in dolomite pit by M. Spilde and D. Northup

    Filaments in dolomite pit

  • Filaments in field of debris on artificial substrate by M. Spilde

    Filaments in field of debris on artificial substrate

  • Filaments on manganese plates with svanbergite cube by M. Spilde and D. Northup

    Filaments on manganese plates with svanbergite cube

  • Filaments with spheroid protrusions, near star shapes by M. Spilde and P. Boston

    Filaments with spheroid protrusions, near star shapes

  • Flattened filament with near by star shapes by M. Spilde and P. Boston

    Flattened filament with near by star shapes

  • FMD finger with aluminum and iron oxide crystals by M. Spilde

    FMD finger with aluminum and iron oxide crystals

  • Geometric crystals by A. Dichosa

    Geometric crystals

  • Group of threads bridging crystals by M. Spilde and D. Northup

    Group of threads bridging crystals

  • Hairy rods on calcite by M. Spilde and D. Northup

    Hairy rods on calcite

  • Hairy rods partially buried in calcite by M. Spilde and D. Northup

    Hairy rods partially buried in calcite

  • Hairy segmented filament bridging crystals by M. Spilde, D. Northup, P. Boston, and L. Mallory

    Hairy segmented filament bridging crystals

  • Hillocks at edge of crystal with star shapes by M. Spilde and D. Northup

    Hillocks at edge of crystal with star shapes

  • Individual beads of the beads on a string with attachments to calcite by M. Spilde, D. Northup, P. Boston, and L. Mallory

    Individual beads of the beads on a string with attachments to calcite

  • Intertwining structure filament 1 by A. Dichosa

    Intertwining structure filament 1

  • Intertwining structure filament 2 by A. Dichosa

    Intertwining structure filament 2

  • Intertwining structure filament 3 by A. Dichosa

    Intertwining structure filament 3

  • Intertwining structure filament 4 by A. Dichosa

    Intertwining structure filament 4

  • Iron oxide crystal by M. Spilde and R. Schelble

    Iron oxide crystal

  • Iron oxide disks on calcite by M. Spilde and D. Northup

    Iron oxide disks on calcite

  • Iron oxide distribution by M. Spilde and R. Schelble

    Iron oxide distribution

  • Iron oxide flattened spheroids on calcite by M. Spilde and D. Northup

    Iron oxide flattened spheroids on calcite

  • Iron oxide spheroids by M. Spilde and D. Northup

    Iron oxide spheroids

  • Iron oxide star shaped mineral by M. Spilde and D. Northup

    Iron oxide star shaped mineral

  • Iron oxide star shaped minerals with hematite in calcite pit by M. Spilde and D. Northup

    Iron oxide star shaped minerals with hematite in calcite pit

  • Isolated spheroids on corroded crystals by M. Spilde, D. Northup, P. Boston, and L. Mallory

    Isolated spheroids on corroded crystals

  • Kaolinite crystal by UNM Microbe/SEM Facility

    Kaolinite crystal

  • Kinked filaments by M. Spilde and P. Boston

    Kinked filaments

  • Landscape of calcite tablets by M. Spilde and D. Northup

    Landscape of calcite tablets

  • Large corrosion hole in calcite within manganese oxide by UNM Microbe/SEM Facility

    Large corrosion hole in calcite within manganese oxide

  • Manganese filaments by M. Spilde

    Manganese filaments

  • Manganese oxide crystal emerging from calcite crystal by M. Spilde and D. Northup

    Manganese oxide crystal emerging from calcite crystal

  • Manganese oxide crystals by M. Spilde and D. Northup

    Manganese oxide crystals

  • Manganese oxide crystals emerging from pit in calcite by M. Spilde and D. Northup

    Manganese oxide crystals emerging from pit in calcite

  • Manganese oxide crystals on calcite by M. Spilde and D. Northup

    Manganese oxide crystals on calcite

  • Manganese oxide crystals on calcite, overview by M. Spilde and D. Northup

    Manganese oxide crystals on calcite, overview

  • Manganese oxide deposit with emerging needles by M. Spilde and D. Northup

    Manganese oxide deposit with emerging needles

  • Manganese oxide filaments by M. Spilde

    Manganese oxide filaments

  • Manganese oxide in pit on calcite by M. Spilde and D. Northup

    Manganese oxide in pit on calcite

  • Manganese oxide needles with spheroids by M. Spilde and D. Northup

    Manganese oxide needles with spheroids

  • Manganese oxides on pitted calcite crystals by M. Spilde and D. Northup

    Manganese oxides on pitted calcite crystals

  • Manganese oxide tissue-paper sheets by M. Spilde

    Manganese oxide tissue-paper sheets

  • Manganese plates with filament bridge by M. Spilde and D. Northup

    Manganese plates with filament bridge

  • Manganese plates with filaments radiating from edge by M. Spilde and D. Northup

    Manganese plates with filaments radiating from edge

  • Manganese plates with short filaments off edges by M. Spilde and D. Northup

    Manganese plates with short filaments off edges

  • Manganese plates with web of tangled filaments by M. Spilde and D. Northup

    Manganese plates with web of tangled filaments

  • Manganese plate with web of filaments off edge by M. Spilde and D. Northup

    Manganese plate with web of filaments off edge

  • Manganese star shapes on manganese oxide sheet by M. Spilde

    Manganese star shapes on manganese oxide sheet

  • Many beads on a string bridging tissue-paper minerals by D. Northup and M. Spilde

    Many beads on a string bridging tissue-paper minerals

  • Mat of iron oxide star shaped minerals by M. Spilde and D. Northup

    Mat of iron oxide star shaped minerals

  • Microrods among felted fabric of filaments by UNM Microbe/SEM Facility

    Microrods among felted fabric of filaments

  • Network of star shapes by M. Spilde and P. Boston

    Network of star shapes

  • Overview of area of tissue-paper by A. Dichosa

    Overview of area of tissue-paper

  • Overview of beads on a string bridging tissue-paper mineral by D. Northup and M. Spilde

    Overview of beads on a string bridging tissue-paper mineral

  • Overview of beads on a string on striated calcite by M. Spilde and D. Northup

    Overview of beads on a string on striated calcite

  • Overview of bridging filaments on tissue-paper by A. Dichosa

    Overview of bridging filaments on tissue-paper

  • Overview of calcite dissolution features by M. Spilde and D. Northup

    Overview of calcite dissolution features

  • Overview of clay tablets and cubes by M. Spilde and D. Northup

    Overview of clay tablets and cubes

  • Overview of corroded calcite by M. Spilde

    Overview of corroded calcite

  • Overview of corroded mineral on artificial substrate by M. Spilde

    Overview of corroded mineral on artificial substrate

  • Overview of crystals by M. Spilde and D. Northup

    Overview of crystals

  • Overview of crystal with stars by M. Spilde and D. Northup

    Overview of crystal with stars

  • Overview of dimple disk aggregate by A. Dichosa

    Overview of dimple disk aggregate

  • Overview of dimpled spheroids on artificial substrate by M. Spilde

    Overview of dimpled spheroids on artificial substrate

  • Overview of felted fabric of filaments by UNM Microbe/SEM Facility

    Overview of felted fabric of filaments

  • Overview of Ferromanganese deposit by A. Dichosa

    Overview of Ferromanganese deposit

  • Overview of field of spheroids by M. Spilde and A. Dichosa

    Overview of field of spheroids

  • Overview of filaments bridging tissue-paper by A. Dichosa

    Overview of filaments bridging tissue-paper

  • Overview of filaments connecting manganese plates by M. Spilde and D. Northup

    Overview of filaments connecting manganese plates

  • Overview of FMD by M. Spilde

    Overview of FMD

  • Overview of iron oxide debris by M. Spilde

    Overview of iron oxide debris

  • Overview of limestone by M. Spilde

    Overview of limestone

  • Overview of long filaments bridging corroded crystals by M. Spilde and P. Boston

    Overview of long filaments bridging corroded crystals

  • Overview of manganese filaments by M. Spilde

    Overview of manganese filaments

  • Overview of mineral covering of artificial substrate with filaments and dimpled spheroids by M. Spilde

    Overview of mineral covering of artificial substrate with filaments and dimpled spheroids

  • Overview of minerals on artificial substrate by M. Spilde

    Overview of minerals on artificial substrate

  • Overview of pits with barite by M. Spilde and D. Northup

    Overview of pits with barite

  • Overview of platy crystals and debris by M. Spilde and P. Boston

    Overview of platy crystals and debris

  • Overview of platy crystals with filaments and star shapes by M. Spilde and P. Boston

    Overview of platy crystals with filaments and star shapes

  • Overview of platy crystals with star shapes by M. Spilde and P. Boston

    Overview of platy crystals with star shapes

  • Overview of punk rock showing euhedral crystals by M. Spilde and D. Northup

    Overview of punk rock showing euhedral crystals

  • Overview of sample SP060715-48 by M. Spilde and A. Dichosa

    Overview of sample SP060715-48

  • Overview of star shaped lace by M. Spilde

    Overview of star shaped lace

  • Overview of tissue-paper and filaments by A. Dichosa

    Overview of tissue-paper and filaments

  • Overview of tissue-paper chunk with filametns by A. Dichosa

    Overview of tissue-paper chunk with filametns

  • Overview of web like filaments by A. Dichosa

    Overview of web like filaments

  • Pit in corroded calcite crystal by M. Spilde and D. Northup

    Pit in corroded calcite crystal

  • Pitted surface on artificial substrate by M. Spilde

    Pitted surface on artificial substrate

  • Pit with filaments in dolomite by M. Spilde and D. Northup

    Pit with filaments in dolomite

  • Platy clay crystal and filaments by M. Spilde and D. Northup

    Platy clay crystal and filaments

  • Platy clay crystals by M. Spilde and D. Northup

    Platy clay crystals

  • Platy crystals in clay-like manganese oxide by UNM Microbe/SEM Facility

    Platy crystals in clay-like manganese oxide

  • Platy manganese oxide with bridging filaments by M. Spilde and D. Northup

    Platy manganese oxide with bridging filaments

  • Possible clay structure by M. Spilde and D. Northup

    Possible clay structure

  • Possible star by A. Dichosa

    Possible star

  • Quartz and calcite rock flour by M. Spilde and D. Northup

    Quartz and calcite rock flour

  • Quartz crystal showing dissolution and growth with coating of star shapes by M. Spilde and D. Northup

    Quartz crystal showing dissolution and growth with coating of star shapes

  • Quartz crystal with stars and growth hillocks by M. Spilde and D. Northup

    Quartz crystal with stars and growth hillocks

  • Ribbon-like filaments emerging from calcite by M. Spilde and D. Northup

    Ribbon-like filaments emerging from calcite

  • Rods and star shapes on corroded calcite by M. Spilde and D. Northup

    Rods and star shapes on corroded calcite

 
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