The study of the origin, chemistry, distribution, and structure of rocks.
Petrology
Displaying 301 - 400 of 1437
| Cat. # | Name | Description | ||
|---|---|---|---|---|
| 301 | 1970.47.1.0292 | unk | None |
 |
| 302 | 00.3.4.1.0003 | Gold | None |
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| 303 | 00.3.15.327.0004 | Limestone | Made up of coarse crinoid fragments. |
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| 304 | 1991.38.1.0020 | Limonite | Color: YL |
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| 305 | 1975.23.0001 | Selenite | None |
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| 306 | 00.3.23.711.0002 | Limestone | Erosive work of underground water in a shaly limestone. |
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| 307 | 00.3.11.242.0005 | unk | None |
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| 308 | 00.3.23.699.0003 | Geode | Geode in square rock. |
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| 309 | 00.3.9.80.0002 | Breccia | None |
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| 310 | 1970.47.1.0447 | Galena | Unlabelled. |
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| 311 | 00.3.4.39.0002 | Lead | and copper |
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| 312 | 00.3.5.119.0002 | Pebbles | Weathered. Quartz. |
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| 313 | 00.3.1.602.0001 | Concretion | Pyrite and sandstone. |
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| 314 | 00.3.15.337.0013 | Soil | Hardened. |
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| 315 | 2006.15.0053 | Obsidian | Small in size "Apache Tear" var. of obsidian, same composition just shaped in a ball, black with cracks and uneven ridges, polished, dull to vitreous luster, 5-6 on hardness scale Color: Black |
|
| 316 | 00.3.11.263.0004 | Basalt | None |
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| 317 | 1970.35.8.0009 | Rock | None |
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| 318 | 1978.3.0005 | Agate | Keswick agate. |
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| 319 | 00.3.3.664.0008 | Ore | White oxcide of zinc |
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| 320 | 00.3.11.247.0001 | Breccia | Potomac breccia. |
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| 321 | 1970.47.4.42.0001 | Ore | Silver and lead bearing. |
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| 322 | 00.3.4.6.0009 | Silver | , sulfurst |
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| 323 | 1990.53.0233 | Sandstone | Flexible sandstone. |
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| 324 | 00.3.10.182.0001 | Septarian | Septarian. From drift folund in excavation for smoke stack at college. Shows mud cracks. |
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| 325 | 00.3.15.348.0008 | Sandstone | None |
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| 326 | 00.3.13.512.0011 | Concretion | Limestone spherical concretion |
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| 327 | 1970.47.1.0311 | Zinc | With silver bearing lead. |
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| 328 | 00.3.4.1.0004 | Gold | None |
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| 329 | 1970.002 | Conglomerate | Color: BK,BR,WH |
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| 330 | 00.3.15.328.0002 | Slickenslide | Slickensides. |
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| 331 | 00.3.6.210.0006 | Copper | None |
|
| 332 | 1991.38.1.0021 | Hematite | Color: PR |
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| 333 | 1975.23.0002 | Selenite | None |
|
| 334 | 00.3.23.711.0003 | unk | Catalog called this Diabase |
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| 335 | 00.3.11.242.0006 | Gneiss | None |
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| 336 | 00.3.23.699.0004 | Geode | Geode in square rock. |
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| 337 | 00.3.15.290.0010 | Slickensides | Slickensides and hornblendic slate. |
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| 338 | 1970.47.1.0448 | Galena | Unlabelled. |
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| 339 | 00.3.4.4.0001 | Silver | Silver chloride on granite. |
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| 340 | 1989.53.0036 | Agate | Translucent. With inclusions. |
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| 341 | 00.3.1.603.0001 | Concretion | None |
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| 342 | 00.3.6.231.0002 | Coquina | None |
|
| 343 | 2006.15.0143 | Iron Ore(?) | Medium in size rock, heavy black or steel gray, metallic luster, looks like flecks of gold or pyrite throughout, mica, small sections of quartz, could be gold ore or galena Color: Black |
|
| 344 | 00.3.11.263.0005 | Lava | Basaltic. |
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| 345 | 1970.4.0010 | Limestone | None |
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| 346 | 1978.3.0006 | Agate | Keswick agate. |
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| 347 | 00.3.3.664.0010 | unk | Catalog called this ?. |
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| 348 | 00.3.11.247.0003 | Basalt | Var. Scoria |
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| 349 | 1970.47.4.42.0002 | Ore | Silver and lead bearing. |
|
| 350 | 00.3.4.6.0010 | Ore | Silver |
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| 351 | 1990.53.0268 | Item not received | None |
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| 352 | 1973.10.0007 | Concentrate, chrome | None |
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| 353 | 00.3.10.182.0002 | Concretion, iron | Mud cracked. |
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| 354 | 00.3.13.513.0002 | Slate | None |
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| 355 | 1970.47.1.0312 | Zinc | With silver bearing lead. |
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| 356 | 00.3.4.1.0005 | Ore | Gold-bearing. |
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| 357 | 1972.0035 | Rock | Crystal-like appearance on one side. Color: GY |
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| 358 | 00.3.15.328.0003 | Breccia | None |
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| 359 | 00.3.6.211.0001 | Ore | Copper, silver. |
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| 360 | 1991.38.1.0022 | Fluorite silica | Color: BK,CL |
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| 361 | 00.3.23.711.0005 | Maukanite | None |
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| 362 | 00.3.11.242.0011 | Gneiss | None |
|
| 363 | 00.3.23.699.0005 | Geode | Geode in square rock. |
|
| 364 | 00.3.9.84.0001 | Flint | None |
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| 365 | 00.3.15.291.0005 | Slate | None |
|
| 366 | 1970.47.1.0449 | Galena | Unlabelled. |
|
| 367 | 1989.53.0037 | Agate | Color: GY |
|
| 368 | 00.3.10.152.0001 | Geode, calcite | None |
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| 369 | 00.3.6.231.0007 | Coquina | None |
|
| 370 | 2006.15.0145 | Gold Ore(?) | Fibrous, small silver/steel gray rock, veins of quartz within, metallic or submetallic luster Color: Gray |
|
| 371 | 00.3.11.263.0007 | unk | Catalog called this Felsite With tiny Phenocrysts. |
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| 372 | 1970.4.0011 | Limestone | None |
|
| 373 | 00.3.3.666.0001 | Ore | Smithsonite zinc. |
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| 374 | 00.3.11.247.0005 | Tufa, volcanic | None |
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| 375 | 1970.47.4.55.0018 | Rock | None |
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| 376 | 00.3.15.310.0003 | Mudstone | Glaciated. |
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| 377 | 1990.53.0275 | Groutte | None |
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| 378 | 1973.36.0001 | Limestone | Lithographic limestone. Dendrites agong edges of one surface. Color: TN |
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| 379 | 00.3.10.183.0005 | Marble | None |
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| 380 | 00.3.13.513.0004 | Travertine, stalactite | None |
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| 381 | 1970.47.1.0313 | Zinc | With silver bearing lead. |
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| 382 | 00.3.4.1.0007 | Quartz, gold | None |
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| 383 | 1973.0031 | Pegmatite | Dike vein in a biotite granite. Glacial erratic. Oblong with flat bottom. |
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| 384 | 00.3.15.328.0006 | Limestone | Carbonate of lime breccia from bluffs at bend of Cedar River west of Osage. |
|
| 385 | 1991.38.1.0023 | Amazonite | Color: BL,GY |
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| 386 | 00.3.23.711.0007 | Slate | With raindrop impressions. |
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| 387 | 00.3.11.242.0012 | Gneiss | Orbicular granite. |
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| 388 | 00.3.15.292.0003 | Diabase | Columnar. |
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| 389 | 1970.47.1.0450 | Galena | Unlabelled. |
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| 390 | 00.3.4.4.0004 | Silver | Water-worn. |
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| 391 | 1989.53.0038 | Agate | Color: GY |
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| 392 | 00.3.10.152.0003 | Geode, calcite | None |
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| 393 | 00.3.15.339.0002 | Shale | None |
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| 394 | 00.3.11.270.0005 | Limestone | Magnesian limestone. |
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| 395 | 1970.41.11.0017 | Rock | None |
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| 396 | 00.3.3.666.0002 | Ore | Smithsonite zinc. |
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| 397 | 00.3.11.247.0006 | Volcanic bomb | None |
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| 398 | 00.3.23.708.0004 | Sandstone | Medina sandstone. |
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| 399 | 1970.47.4.55.0019 | Rock | None |
|
| 400 | 00.3.4.7.0002 | Silver | None |
|
