The study of the origin, chemistry, distribution, and structure of rocks.
Petrology
Displaying 701 - 800 of 1437
| Cat. # | Name | Description | ||
|---|---|---|---|---|
| 701 | 00.2.9.61.0009 | Iron | Specular iron ore. |
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| 702 | 00.3.23.705.0018 | Serpentine | None |
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| 703 | 2006.15.0046 | Obsidian | Small in size specimen of Obsidian, uneven ridges, one smooth face, dull to vitreous luster, 5-6 on hardness scale, mineraliod Color: Black |
|
| 704 | 00.3.11.246.0003 | Granite | None |
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| 705 | 00.3.11.272.0004 | Limestone | Encrinal limestone. |
|
| 706 | 00.3.4.1.0001 | Gold | None |
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| 707 | 00.3.6.204.0001 | Zinc, Smithsonite | None |
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| 708 | 1970.47.4.2.0004 | Limestone | "Charles City Marble". Cut and polished. |
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| 709 | 00.3.15.303.0006 | Sandstone | Fine-grained. |
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| 710 | 00.3.8.491.0017 | Quartz | None |
|
| 711 | 1990.53.0148 | Bauxite | None |
|
| 712 | 00.3.10.175.0008 | Limestone | Travertine. |
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| 713 | 00.3.23.711.0001 | Limestone | Erosive work of underground water in a shaly limestone. |
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| 714 | 1970.47.1.0126 | Antimonen | None |
|
| 715 | 00.3.11.255.0005 | Argillite | None |
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| 716 | 00.3.15.317.0003 | Cement | Cement rock before burning. |
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| 717 | 00.3.13.513.0014 | unk | None |
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| 718 | 00.3.4.37.0007 | Ore | Copper. |
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| 719 | 00.3.6.211.0007 | Ore | Copper and iron. |
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| 720 | 00.3.15.696.0005 | Sandstone | Rhomboidal jointing Medina Sandstone. |
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| 721 | 1991.38.1.0014 | Chalk | Color: WH |
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| 722 | 00.3.11.241.0007 | Granite | Graphic granite. |
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| 723 | 00.3.11.258.0004 | Epidosite | None |
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| 724 | 00.3.3.664.0008 | Ore | White oxcide of zinc |
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| 725 | 00.3.5.132.0008 | Kaolin | None |
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| 726 | 1970.47.1.0429 | Ore | None |
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| 727 | 00.3.15.293.0002 | Concretion | Clay concretion with calcitic veins within a marcasite band. |
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| 728 | 00.3.4.6.0009 | Silver | , sulfurst |
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| 729 | 1989.48.0003 | Lava | Color: BK |
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| 730 | 00.2.9.64.0007 | Hornblende | Pyroxene var. Augite. |
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| 731 | 2006.15.0047 | Obsidian | Very small piece of obsidian, uneven ridges, resembles glass, dull to vitreous luster, 5-6 on hardness scale Color: Black |
|
| 732 | 00.3.11.246.0005 | Andesite | With Hornblende. |
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| 733 | 00.3.11.272.0005 | Limestone, w/Hornblende ? | In limestone. |
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| 734 | 00.3.4.1.0003 | Gold | None |
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| 735 | 00.3.6.204.0003 | Ore | Zinc |
|
| 736 | 1970.47.4.20.0001 | Lead | None |
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| 737 | 00.3.15.304.0002 | Clay | Concretion with calcite veins within a marcasite pand.. |
|
| 738 | 1990.53.0151 | unk | None |
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| 739 | 00.3.10.175.0009 | Travertine | None |
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| 740 | 00.3.23.711.0002 | Limestone | Erosive work of underground water in a shaly limestone. |
|
| 741 | 1970.47.1.0128 | Lead | None |
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| 742 | 00.3.11.255.0006 | Argillite | None |
|
| 743 | 00.3.15.317.0004 | Cement | Cement rock after burning. |
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| 744 | 00.3.13.513.0015 | unk | None |
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| 745 | 00.3.4.39.0002 | Lead | and copper |
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| 746 | 00.3.6.211.0009 | Uranium? With copper ore | None |
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| 747 | 00.3.15.696.0006 | Geode | In earthy limestone. |
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| 748 | 00.3.9.87.0001 | Slickenslide | None |
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| 749 | 1991.38.1.0015 | Clay | Painted cliffs Color: PK |
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| 750 | 00.3.11.241.0011 | Quartz | Quartz-feldspar and mica granite, very coarse grained. |
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| 751 | 00.3.11.258.0006 | Greizen | None |
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| 752 | 00.3.3.664.0010 | unk | Catalog called this ?. |
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| 753 | 00.3.5.134.0001 | Geode, quartz | Quartz pebbles with gravel concentrated on with CoCO3. |
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| 754 | 1970.47.1.0430 | Geode | None |
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| 755 | 00.3.15.333.0001 | Limestone | Hydraulic limestone. |
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| 756 | 00.3.15.293.0006 | Concretion | None |
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| 757 | 00.3.4.6.0010 | Ore | Silver |
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| 758 | 00.3.6.234.0005 | Coal | Bituminous. |
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| 759 | 1989.48.0005 | Lava | A-a lava. Color: BK |
|
| 760 | 00.2.9.81.0005 | Slag | Iridescent iron ore. Limonite-hematite. |
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| 761 | 2006.15.0048 | Obsidian | Small in size piece of obsidian, one smoothed face, uneven ridges, wave like patterns, black with orange stripes, 5-6 on hardness scale, dull to vitreous luster Color: Black |
|
| 762 | 00.3.11.246.0006 | Andesite | Hornblendite andesite. |
|
| 763 | 00.3.4.1.0004 | Gold | None |
|
| 764 | 00.3.6.204.0006 | Ore | Dry bone zinc ore. Broken. |
|
| 765 | 1970.47.4.20.0002 | Lead | None |
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| 766 | 00.3.15.304.0007 | Concretion | In clay concretion. |
|
| 767 | 00.3.8.492.0003 | Stalactite | None |
|
| 768 | 1990.53.0152 | unk | None |
|
| 769 | 00.3.10.178.0012 | Limestone | Label reads "Partially Dolomitized lithographic limestone." |
|
| 770 | 00.3.23.711.0003 | unk | Catalog called this Diabase |
|
| 771 | 1970.47.1.0131 | Ore | None |
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| 772 | 00.3.11.255.0007 | Shale | None |
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| 773 | 00.3.15.317.0005 | unk | Catalog called this Hydraulic limestone.. |
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| 774 | 00.3.13.513.0016 | unk | None |
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| 775 | 00.3.4.4.0001 | Silver | Silver chloride on granite. |
|
| 776 | 00.3.6.211.0010 | Ore | Copper, lead, etc. |
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| 777 | 00.3.15.696.0008 | Slickenslide | Slickensides hornblende. |
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| 778 | 00.3.9.90.0005 | Limestone | Unidentified. |
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| 779 | 1991.38.1.0016 | Kaolin | Color: WH |
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| 780 | 00.3.11.241.0012 | Granite | Coarse. |
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| 781 | 00.3.11.259.0001 | Aphanite | None |
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| 782 | 00.3.3.666.0001 | Ore | Smithsonite zinc. |
|
| 783 | 00.3.5.134.0007 | Agate | Iowa agate. |
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| 784 | 1970.47.1.0431 | Rock | None |
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| 785 | 00.3.15.333.0002 | Limestone | Suboolitic limestone. |
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| 786 | 00.3.15.293.0007 | Concretion | Clay concretion, chert center. |
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| 787 | 00.3.6.235.0003 | Peat | Briquet. |
|
| 788 | 1989.48.0006 | Lava | None |
|
| 789 | 00.2.9.92.0002 | Psilomelane | Ore--oxides of manganese. |
|
| 790 | 2006.15.0049 | Obsidian | Medium in size chunk of obsidian, two polished faces, black with reddish orange fusion on top, somewhat porrus in places, dull to vitreous luster, 5-6 on hardness scale Color: Black |
|
| 791 | 00.3.11.246.0007 | Schist | Hornblend schist. |
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| 792 | 00.3.4.1.0005 | Ore | Gold-bearing. |
|
| 793 | 1970.47.4.20.0003 | Lead | None |
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| 794 | 00.3.15.343.0001 | Loess | None |
|
| 795 | 00.3.15.304.0008 | Gypsum | Vein - gypsum within calcite, Satin spar variety. |
|
| 796 | 00.3.9.51.0011 | Earth | Ferruginous. |
|
| 797 | 1990.53.0153 | unk | None |
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| 798 | 00.3.10.180.0010 | Limestone | None |
|
| 799 | 00.3.23.711.0005 | Maukanite | None |
|
| 800 | 1970.47.1.0132 | Chert | None |
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