Category:Cretaceous Rocks & Fossils to check

Media in category "Cretaceous Rocks & Fossils to check"

The following 59 files are in this category, out of 59 total.

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  Alkaline picrite (Yuzhnoe Intrusion, Jurassic-Cretaceous boundary time, 145 Ma; Jetty Peninsula, western side of the Lambert Glacier, East Antarctica) (14818040787).jpg 1,124 × 660; 158 KB
  
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  Almandine garnet (Late Cretaceous; Garnet Ledge, Alaska, USA) (31914805843).jpg 1,010 × 747; 1.19 MB
  
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  Alnoite lamprophyre (Oka Carbonatite Complex, Early Cretaceous, 124-125 Ma; Oka Niobium Mine, Quebec, Canada) (14842450363).jpg 984 × 721; 148 KB
  
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  Anzu wyliei theropod dinosaur (Hell Creek Formation, Upper Cretaceous; western Harding County, far-northwestern South Dakota, USA) 1 (15227738379).jpg 1,909 × 1,989; 2.52 MB
  
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  Anzu wyliei theropod dinosaur (Hell Creek Formation, Upper Cretaceous; western Harding County, far-northwestern South Dakota, USA) 2 (15227887438).jpg 1,743 × 1,833; 1.85 MB
  
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  Anzu wyliei theropod dinosaur (Hell Creek Formation, Upper Cretaceous; western Harding County, far-northwestern South Dakota, USA) 3 (15227946127).jpg 1,321 × 1,635; 872 KB
  
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  Aplite dike in Butte Quartz Monzonite (Late Cretaceous, 76 Ma; Orphan Boy Mine, Butte, Montana, USA) 1 (8359832244).jpg 2,426 × 3,165; 6.01 MB
  
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  Aplite dike in Butte Quartz Monzonite (Late Cretaceous, 76 Ma; Orphan Boy Mine, Butte, Montana, USA) 2 (8358767647).jpg 3,648 × 2,736; 8.2 MB
  
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  Aplite dikes in Sierra Nevada Batholith host rock (Cretaceous; Twin Lakes overlook, Sierra Nevada Mountains, Mono County, California, USA) (8358766587).jpg 3,008 × 2,000; 4.66 MB
  
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  Belemnitella americana (fossil belemnites) (Cretaceous; New Jersey, USA) (49103465241).jpg 2,707 × 2,269; 4.19 MB
  
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  Cimolichthys sp. (fossil fish) (Niobrara Formation, Upper Cretaceous; Gove County, Kansas, USA) 1 (33587721842).jpg 3,651 × 2,814; 8.48 MB
  
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  Cimolichthys sp. (fossil fish) (Niobrara Formation, Upper Cretaceous; Gove County, Kansas, USA) 2 (33703416716).jpg 2,105 × 1,594; 3.21 MB
  
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  Cretaceous sedimentary rocks intruded by a Miocene granite laccolith (Cuernos del Paine, Torres del Paine National Park, Andes Mountains, Chile) 1 (39500150134).jpg 1,477 × 1,285; 1.26 MB
  
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  Cretaceous-Tertiary (K-T) boundary clay (65 Ma, Quipar-Jorquera Formation; Agost-Castalia Road, southeastern Spain) (14617961128).jpg 2,026 × 1,078; 955 KB
  
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  Cretaceous-Tertiary boundary clay (Raton Formation, 65 Ma; southern Colorado, USA) (34782334145).jpg 3,768 × 2,687; 7.82 MB
  
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  Dark chalk of the Smoky Hill Member of the Niobrara Formation (Upper Cretaceous), Oacoma, South Dakota. (8483478227).jpg 4,288 × 2,848; 6.48 MB
  
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  Desmoceras carolense (fossil ammonite) (Darwin Mbr., Bathurst Island Fm., u.E.Cret.; Pt. Charles, W of Darwin, Northern Territory, Australia) (49075136796).jpg 1,372 × 919; 718 KB
  
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  Dinosaur eggshell fragment (Upper Cretaceous; Patagonia, Argentina) (15545872935).jpg 711 × 706; 476 KB
  
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  Elatides sp. (fossil conifer) (Judith River Group, Upper Cretaceous; Montana or Canada) (25210755717).jpg 3,994 × 2,126; 7.24 MB
  
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  Eocene over Cretaceous sedimentary rocks (Cerro Calafate, near El Calafate, Argentina) (39548457144).jpg 2,560 × 1,499; 2.59 MB
  
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  Essexite (Early Cretaceous, ~111 Ma; Mount Johnson, Quebec, Canada) (27556294638).jpg 1,785 × 1,270; 2.17 MB
  
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  Fluorite (Early Cretaceous; Weishan Mine, Shandong, China) 1 (34520787936).jpg 2,677 × 2,034; 3.76 MB
  
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  Fluorite (Early Cretaceous; Weishan Mine, Shandong, China) 2 (33719235184).jpg 2,871 × 2,207; 3.53 MB
  
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  Fossil bivalve (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277681191).jpg 838 × 720; 446 KB
  
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  Fossil giant water bug (Crato Formation, Lower Cretaceous; Chapada do Araripe, Brazil) 1 (47576999752).jpg 1,681 × 2,313; 2.68 MB
  
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  Fossil giant water bug (Crato Formation, Lower Cretaceous; Chapada do Araripe, Brazil) 2 (47629747561).jpg 1,337 × 1,933; 1.75 MB
  
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  Fossil seed pod (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277690567).jpg 960 × 305; 248 KB
  
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  Fossil tree mold (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277692127).jpg 960 × 385; 284 KB
  
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  Garnet-pyroxene-molybdenite-scheelite skarn (Late Cretaceous, 92 Ma; Reilly Mine, eastern side of Osgood Mountains, northern Nevada) 1 (15065590531).jpg 3,008 × 2,000; 3.12 MB
  
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  Garnet-pyroxene-molybdenite-scheelite skarn (Late Cretaceous, 92 Ma; Reilly Mine, eastern side of Osgood Mountains, northern Nevada) 2 (15045617316).jpg 3,072 × 2,016; 2.37 MB
  
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  Garnet-pyroxene-molybdenite-scheelite skarn (Late Cretaceous, 92 Ma; Reilly Mine, eastern side of Osgood Mountains, northern Nevada) 3 (14881921489).jpg 3,008 × 2,000; 1.91 MB
  
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  Garnetite (garnet skarn) (Late Cretaceous, 69-77 Ma; near Brownes Lake, southwestern Montana, USA) (16319268014).jpg 1,207 × 804; 1.59 MB
  
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  Granite or granodiorite (Sierra Nevada Batholith, Early Cretaceous; Lower Rock Creek Road, near Bishop, California, USA) (30715327533).jpg 2,747 × 2,386; 4.3 MB
  
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  Iansan beurleni (fossil guitarfish) (Santana Formation, Lower Cretaceous; northeastern Brazil) 1 (32936169703).jpg 2,774 × 1,425; 2.71 MB
  
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  Iansan beurleni (fossil guitarfish) (Santana Formation, Lower Cretaceous; northeastern Brazil) 2 (33620082591).jpg 2,658 × 1,997; 4 MB
  
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  Ijolite (Oka Carbonatite Complex, Early Cretaceous, 124-125 Ma; Oka Niobium Mine, Quebec, Canada) (14822252052).jpg 1,047 × 984; 223 KB
  
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  Ilmenite-magnetite (Oka Carbonatite Complex, Early Cretaceous, 124-125 Ma; Oka Niobium Mine, Quebec, Canada) (14820239444).jpg 694 × 701; 916 KB
  
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  Interference ripples (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8278746564).jpg 960 × 460; 386 KB
  
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  Ison Creek Kimberlite (Elliott County Peridotite, Late Cretaceous, 75 Ma; west of Stephens, Elliott County, Kentucky, USA) 1 (14843569933).jpg 2,742 × 1,544; 1.27 MB
  
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  Lamproite (Blue Ball Lamproite DIke, Early Cretaceous, ~106 Ma; Freedom Creek, near Blue Ball, Scott County, Arkansas, USA) (14636778568).jpg 829 × 749; 131 KB
  
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  Lappajarvi Impact Breccia (73-77 Ma, Late Cretaceous; Lappajarvi Impact Structure, southwestern Finland) (14816433243).jpg 1,194 × 843; 263 KB
  
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  Manganoan calcite & quartz (Cretaceous; Huanggang Mine, Inner Mongolia, China) (43556234741).jpg 1,947 × 2,610; 2.72 MB
  
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  Melanite andradite garnet (Magnet Cove Complex, mid-Cretaceous; Diamond Joe Quarry, Arkansas, USA) (31885398654).jpg 714 × 571; 641 KB
  
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  Mesaverde Sandstone over Mancos Shale (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 1 (30243290565).jpg 4,000 × 2,208; 4.41 MB
  
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  Mesaverde Sandstone over Mancos Shale (Upper Cretaceous; near the town of Grand Junction, Colorado, USA) 2 (29613456553).jpg 4,000 × 1,720; 2.79 MB
  
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  Nanotyrannus lancensis theropod dinosaur (Hell Creek Formation, Late Cretaceous; Carter County, southeastern Montana, USA) 1 (15189256937).jpg 2,278 × 1,849; 1.23 MB
  
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  Nanotyrannus lancensis theropod dinosaur (Hell Creek Formation, Late Cretaceous; Carter County, southeastern Montana, USA) 2 (15375756215).jpg 2,722 × 1,651; 1.13 MB
  
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  Olivine lamproite (Prairie Creek Lamproite, Early Cretaceous, ~106 Ma; Crater of Diamonds State Park, south of Murfreesboro, Arkansas, USA) (14636691590).jpg 1,124 × 1,003; 241 KB
  
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  Oxybeloceras meekanum (fossil ammonite) (Pierre Shale, Upper Cretaceous; Pennington County, South Dakota, USA) (34725498896).jpg 3,092 × 1,057; 2 MB
  
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  Parastraea sp. (fossil scleractinian coral) (Cretaceous; Germany) (34974286563).jpg 1,830 × 1,404; 2.31 MB
  
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  Quartzose sandstone (Eagle Sandstone, Upper Cretaceous; loose piece from near cliff base at Pictograph Cave State Park, southern Montana, USA) (15627845825).jpg 2,815 × 1,984; 1.96 MB
  
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  Schalenblende (zinc-lead ore) (Early Cretaceous mineralization, ~135 Ma; Pomorzany Mine, Upper Silesia, Poland) 4 (39340548870).jpg 3,593 × 1,950; 4.76 MB
  
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  Sierra Nevada Batholith (Cretaceous; view from near Bishop, California, USA) 2 (37189374206).jpg 4,834 × 964; 3.64 MB
  
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  Sinosauropteryx prima feathered dinosaur (Yixian Formation, Lower Cretaceous; Sihetun Quarry, Liaoning Province, northeastern China) (15189586090).jpg 897 × 958; 746 KB
  
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  Syenite (Cuttingsville Complex, mid-Cretaceous, 97 Ma; southwest of Cuttingsville, southern Vermont, USA) (16563008099).jpg 924 × 801; 1.18 MB
  
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  Table Mesa (Mancos Shale, Upper Cretaceous; San Juan County, New Mexico, USA) 1 (8280585679).jpg 960 × 137; 75 KB
  
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  Table Mesa (Mancos Shale, Upper Cretaceous; San Juan County, New Mexico, USA) 2 (8281640744).jpg 960 × 518; 352 KB
  
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  Trace fossils (Dakota Sandstone, Lower Cretaceous; Dinosaur Ridge, Colorado, USA) (8277692365).jpg 895 × 719; 468 KB
  
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  Ugandite (Indaiá II Intrusion, Alto Paranaíba Igneous Province, Late Cretaceous, 80-90 Ma; near Rio Perdizos, Minas Gerais State, Brazil) (14817797888).jpg 960 × 750; 182 KB