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sciencegal's Snapshots

  1. GOL106

    Snapshot Title: GOL106
    Taken by: sciencegal

    Image: Chambersville-Base of the Foreknobs Formation
    Image Owner: Alan Pitts



    Description:

    GOL106 describe what you see, using appropriate geologic terms, and what you can infer about the depositional environment.



  2. Question 1

    Snapshot Title: Question 1
    Taken by: sciencegal

    Image: Mt. Rushmore
    Image Owner: sciencegal



    Description:

    Based on the size of some of the crystals (especially in comparison to the size of the tree) what texture and origin can you infer? What is the composition of this rock? How can you tell?



  3. Question 4

    Snapshot Title: Question 4
    Taken by: sciencegal

    Image: Oakes Quarry Park-Brassfield Formation
    Image Owner: sciencegal



    Description:

    What kind of fossils do you see? What style of preservation do they have?



  4. Question 3

    Snapshot Title: Question 3
    Taken by: sciencegal

    Image: Oakes Quarry Park-Brassfield Formation
    Image Owner: sciencegal



    Description:

    What type of fossil is this? What type of preservation do you notice?



  5. Question 2

    Snapshot Title: Question 2
    Taken by: sciencegal

    Image: Oakes Quarry Park-Brassfield Formation
    Image Owner: sciencegal



    Description:

    What type of fossil is this? What type of preservation does it have?



  6. Question 1

    Snapshot Title: Question 1
    Taken by: sciencegal

    Image: Oakes Quarry Park-Brassfield Formation
    Image Owner: sciencegal



    Description:

    What are each of these fossils? What type of preservation do you see?



  7. Location 4

    Snapshot Title: Location 4
    Taken by: sciencegal

    Image: Martinsville Igneous Complex
    Image Owner: sciencegal



    Description:

    How would you describe the relationship between the rocks here? What does it indicate about the relative ages?



  8. Location 3

    Snapshot Title: Location 3
    Taken by: sciencegal

    Image: Martinsville Igneous Complex
    Image Owner: sciencegal



    Description:

    What do you call the relationship between the rocks here? What does it tell you about the relative ages?



  9. Location 2

    Snapshot Title: Location 2
    Taken by: sciencegal

    Image: Martinsville Igneous Complex
    Image Owner: sciencegal



    Description:

    Is this is same rock as location 1? If not, what is it?



  10. Location 1

    Snapshot Title: Location 1
    Taken by: sciencegal

    Image: Martinsville Igneous Complex
    Image Owner: sciencegal



    Description:

    What kind of rock is this? What geologic terms can you use to describe it?



  11. Clastic dike 2

    Snapshot Title: Clastic dike 2
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    Another clastic dike



  12. Sharps

    Snapshot Title: Sharps
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The Sharps Formation



  13. Brule

    Snapshot Title: Brule
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The Brule Formation, with the Scenic and Poleslide Members



  14. Chadron

    Snapshot Title: Chadron
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The Chadron Formation



  15. Interior

    Snapshot Title: Interior
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The Interior Paleosol



  16. Yellow Mounds

    Snapshot Title: Yellow Mounds
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The Yellow Mounds Paleosol



  17. Pierre/Fox Hills

    Snapshot Title: Pierre/Fox Hills
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    Cretaceous units



  18. Nodular Texture

    Snapshot Title: Nodular Texture
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    The nodular texture from carbonate minerals.



  19. clastic dike

    Snapshot Title: clastic dike
    Taken by: sciencegal

    Image: Badlands National Park
    Image Owner: sciencegal



    Description:

    Part of one of the many dikes.