BETA

Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 20 of /var/www/preservation.nps.gov/html/buildingstone/includes/file.phar.inc).

Search

Search results

  1. Unfading Mottled Green and Purple

    ... possibly suggests the presence of chlorite as well as hematite and or limonite . Owning to the aphanitic nature of the ...

    Raven Mueller - 2015-08-12

  2. Purple

    ... is imparted by a high iron content that likely includes hematite , limonite , and siderite . Owing to the aphanitic nature ...

    Raven Mueller - 2015-08-12

  3. Variegated Purple

    ... color of the specimen suggests the presence of significant hematite , limonite , and or siderite . Owning to the aphanitic ...

    Raven Mueller - 2015-08-12

  4. Unfading Red

    ... is imparted by a high iron content that likely includes hematite and limonite . There are few identifiable crystal grains in this ...

    Raven Mueller - 2015-08-12

  5. Royal Purple

    ... . The color of the specimen suggests the presence of hematite and limonite . Owning to the aphanitic nature of the ...

    Raven Mueller - 2015-08-12

  6. Unfading Red

    ... is imparted by a high iron content that likely includes hematite and limonite . There are few identifiable crystal grains in this ...

    Raven Mueller - 2015-08-12

  7. Top Ledge Cottonwood

    ... with the dissolution of fossils. Iron hydroxide and hematite staining is also present in small patches that constitute less than ...

    Raven Mueller - 2015-07-22

  8. Lazonby

    ... is predominantly silica, producing distinct, presumably hematite delineated, overgrowth rims. Some other less durable cementing ...

    Ed FitzGerald - 2015-09-05

  9. Lueders, Charcoal R.B.

    ... are filled with iron oxides/hydroxides ( limonite and hematite ) and secondary calcite . These channel/cracks extend the length ...

    Raven Mueller - 2015-07-22

  10. Portland Brownstone

    ... to the air, results in conversion of limonite (FeO[OH]) to hematite (Fe2O3). The distinctive red-brown color of brownstone is due to the presence of hematite. The Portland Brownstone is a coarse sandstone (feldspathic ...

    Matt Pailes - 2015-08-24