Rock Identification Lab (Revised)

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Use this game to identify each rock sample. If you ever seem to reach a dead end, use the "back to beginning" link. [[Get Started!|First Question]]

Is the rock predominantly dark-colored? <<silently>> <<set $level1 to "">> <<set $level2 to "">> <<set $level3 to "">> <<set $level4 to "">> <<set $level5 to "">> <<set $level6 to "">> <<set $level7 to "">> <<set $level8 to "">> <<set $level9 to "">> <</silently>> [[Yes|Dark-Colored][$level1 to "Dark-Colored"]] [[No|Not Dark-Colored][$level1 to "Not Dark-Colored"]]

Does the rock have visible crystal grains? [[Yes|Visible Crystals 1][$level2 to "Visible crystal grains"]] [[No|No Visible Crystals 1][$level2 to "No visible crystal grains"]] [[Back to Beginning|First Question]]

Does the rock have visible crystal grains? [[Yes|Visible Crystals 2][$level2 to "Visible crystal grains"]] [[No|No Visible Crystals 2][$level2 to "No visible crystal grains"]] [[Back to Beginning|First Question]]

Does the rock show signs of foliation? [[Yes|Foliated 1][$level3 to "Foliated"]] [[No|Nonfoliated 1][$level3 to "Nonfoliated"]] [[Back to Beginning|First Question]]

Are there visible clasts in the rock? [[Yes|Visible Clasts 1][$level3 to "Visible clasts"]] [[No|No Visible Clasts 1][$level3 to "No visible clasts"]] [[Back to Beginning|First Question]]

Can you see garnets (small, dark red crystals) embedded in the rock? [[Yes|Garnet Schist][$level4 to "Visible garnets"]] [[No|No Visible Garnets 1][$level4 to "No visible garnets"]] [[Back to Beginning|First Question]]

Does the rock have a predominantly uniform black color? [[Yes|Bituminous Coal][$level4 to "Uniform black color"]] [[No|Not Uniform Black 1][$level4 to "Not uniform black color"]] [[Back to Beginning|First Question]]

Does the rock have a predominantly uniform black color? [[Yes|Uniform Black 1][$level4 to "Uniform black color"]] [[No|Not Uniform Black 2][$level4 to "Not uniform black color"]] [[Back to Beginning|First Question]]

Does the rock show signs of foliation? [[Yes|Foliated 2][$level4 to "Foliated"]] [[No|Nonfoliated 2][$level4 to "Nonfoliated"]] [[Back to Beginning|First Question]]

The rock is Garnet Schist! <center><img src="Images/20.JPG" alt="Garnet Schist" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a primarily metallic luster? [[Yes|Mica Schist][$level5 to "Metallic luster"]] [[No|Gneiss][$level5 to "Nonmetallic luster"]] [[Back to Beginning|First Question]]

Is the rock predominantly red/pink in color? [[Yes|Arkose][$level5 to "Red/pink color"]] [[No|Basalt][$level5 to "Not red/pink color"]] [[Back to Beginning|First Question]]

The rock is Arkose! <center><img src="Images/1.JPG" alt="Arkose" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Basalt! <center><img src="Images/2.JPG" alt="Basalt" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Bituminous Coal! <center><img src="Images/5.JPG" alt="Bituminous Coal" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Mica Schist! <center><img src="Images/21.JPG" alt="Mica Schist" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Gneiss! <center><img src="Images/7.JPG" alt="Gneiss" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock flat and thin? [[Yes|Carbonaceous Shale][$level5 to "Flat and thin"]] [[No|Bituminous Coal][$level5 to "Not flat and thin"]] [[Back to Beginning|First Question]]

Is the rock predominantly red or pink in color? [[Yes|Arkose][$level5 to "Red/pink color"]] [[No|Not Red/Pink 2][$level5 to "Not red/pink color"]] [[Back to Beginning|First Question]]

Is the rock predominantly a uniform black color? [[Yes|Bituminous Shale][$level5 to "Uniform black color"]] [[No|Not Uniform Black 3][$level5 to "Not uniform black color"]] [[Back to Beginning|First Question]]

Is the rock predominantly black in color? [[Yes|Black Color 1][$level5 to "Black color"]] [[No|Not Black Color 1][$level5 to "Not black color"]] [[Back to Beginning|First Question]]

The rock is Carbonaceous Shale! <center><img src="Images/24.JPG" alt="Carbonaceous Shale" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock composed mostly of round pebbles? [[Yes|Conglomerate][$level6 to "Round pebbles"]] [[No|Breccia][$level6 to "Not round pebbles"]] [[Back to Beginning|First Question]]

The rock is Conglomerate! <center><img src="Images/6.JPG" alt="Conglomerate" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Breccia! <center><img src="Images/3.JPG" alt="Breccia" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock mostly gray in color? [[Yes|Slate][$level6 to "Gray color"]] [[No|Oil Shale][$level6 to "Not gray color"]] [[Back to Beginning|First Question]]

The rock is Bituminous Shale! <center><img src="Images/23.JPG" alt="Bituminous Shale" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Slate! <center><img src="Images/26.JPG" alt="Slate" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Oil Shale! <center><img src="Images/25.JPG" alt="Oil Shale" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a "salt and pepper" appearance, with light specks? [[Yes|Basalt][$level6 to "Salt & pepper appearance"]] [[No|Not Salt & Pepper 1][$level6 to "Not salt & pepper appearance"]] [[Back to Beginning|First Question]]

Does the rock have a vesicular texture? [[Yes|Scoria][$level6 to "Vesicular texture"]] [[No|Not Vesicular 1][$level6 to "Not vesicular texture"]] [[Back to Beginning|First Question]]

Is the rock thin and flat? [[Yes|Carbonaceous Shale][$level7 to "Thin and flat"]] [[No|Not Thin and Flat 2][$level7 to "Not thin and flat"]] [[Back to Beginning|First Question]]

The rock is Scoria! <center><img src="Images/22.JPG" alt="Scoria" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have ridges and glittery specks? [[Yes|Phyllite][$level7 to "Ridges and glittery specks"]] [[No|Hornfels][$level7 to "No ridges or glittery specks"]] [[Back to Beginning|First Question]]

Does the rock have a glassy texture? [[Yes|Obsidian][$level8 to "Glassy texture"]] [[No|Not Glassy 1][$level8 to "Not glassy texture"]] [[Back to Beginning|First Question]]

The rock is Obsidian! <center><img src="Images/14.JPG" alt="Obsidian" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a really light heft? [[Yes|Bituminous Coal][$level9 to "Light heft"]] [[No|Anthracite Coal][$level9 to "Not light heft"]] [[Back to Beginning|First Question]]

The rock is Anthracite Coal! <center><img src="Images/4.JPG" alt="Anthracite Coal" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Phyllite! <center><img src="Images/15.JPG" alt="Phyllite" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Hornfels! <center><img src="Images/9.JPG" alt="Hornfels" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock primarily white-colored? [[Yes|Marble][$level3 to "White color"]] [[No|Not White Color 1][$level3 to "Not white color"]] [[Back to Beginning|First Question]]

Does the rock have visible clasts? [[Yes|Visible Clasts 2][$level3 to "Visible clasts"]] [[No|No Visible Clasts 2][$level3 to "No visible clasts"]] [[Back to Beginning|First Question]]

The rock is Marble! <center><img src="Images/13.JPG" alt="Marble" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock mostly black-and-white? [[Yes|Black & White 1][$level4 to "Black & white color"]] [[No|Not Black & White 1][$level4 to "Not black & white color"]] [[Back to Beginning|First Question]]

Does the rock have a coarse-grained texture? [[Yes|Granite][$level5 to "Coarse-grained texture"]] [[No|Not Coarse-Grained 1][$level5 to "Not coarse-grained texture"]] [[Back to Beginning|First Question]]

Does the rock have a mostly reddish or pinkish color? [[Yes|Red/Pink 3][$level5 to "Red/pink color"]] [[No|Not Red/Pink 3][$level5 to "Not red/pink color"]] [[Back to Beginning|First Question]]

The rock is Granite! <center><img src="Images/8.JPG" alt="Granite" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a largely metallic luster? [[Yes|Mica Schist][$level6 to "Metallic luster"]] [[No|Gneiss][$level6 to "Nonmetallic luster"]] [[Back to Beginning|First Question]]

Does the rock have fairly uniform sand-sized grains? [[Yes|Sandstone][$level6 to "Uniform sand-sized grains"]] [[No|Not Uniform Sand-Sized Grains 1][$level6 to "Not uniform sand-sized grains"]] [[Back to Beginning|First Question]]

Does the rock have a mostly metallic luster? [[Yes|Mica Schist][$level6 to "Metallic luster"]] [[No|Pink/Gray Rhyolite][$level5 to "Nonmetallic luster"]] [[Back to Beginning|First Question]]

The rock is Sandstone! <center><img src="Images/19.JPG" alt="Sandstone" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a pebbly texture? [[Yes|Arkose][$level7 to "Pebbly texture"]] [[No|Pink/Gray Rhyolite][$level7 to "Not pebbly texture"]] [[Back to Beginning|First Question]]

The rock is Pink/Gray Rhyolite! <center><img src="Images/18.JPG" alt="Pink/Gray Rhyolite" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a mostly red/pink color? [[Yes|Red/Pink 4][$level4 to "Red/pink color"]] [[No|Not Red/Pink 4][$level4 to "Not red/pink color"]] [[Back to Beginning|First Question]]

Does the rock have a positive response to a hydrochloric acid test? [[Yes|Positive Acid Test 1][$level4 to "Positive acid test"]] [[No|Negative Acid Test 1][$level4 to "Negative acid test"]] [[Back to Beginning|First Question]]

Is the rock made of uniform sand-sized grains? [[Yes|Sandstone][$level5 to "Uniform sand-sized grains"]] [[No|Arkose][$level5 to "Not uniform sand-sized grains"]] [[Back to Beginning|First Question]]

Does the rock appear to be made of fossils, like shells? [[Yes|Fossiliferous Limestone][$level5 to "Fossils"]] [[No|No Fossils][$level5 to "No Fossils"]] [[Back to Beginning|First Question]]

Does the rock appear to be made of fossils, like shells? [[Yes|Fossiliferous Limestone][$level5 to "Fossils"]] [[No|No Fossils 2][$level5 to "No fossils"]] [[Back to Beginning|First Question]]

Does the rock have a vesicular texture? [[Yes|Pumice][$level5 to "Vesicular texture"]] [[No|Non-Vesicular Texture 2][$level5 to "Non-vesicular texture"]] [[Back to Beginning|First Question]]

The rock is Fossiliferous Limestone! <center><img src="Images/12.JPG" alt="Fossiliferous Limestone" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Is the rock mostly made of rounded pebbles? [[Yes|Conglomerate][$level6 to "Rounded pebbles"]] [[No|No Rounded Pebbles 2][$level6 to "No rounded pebbles"]] [[Back to Beginning|First Question]]

Does the rock seem to be made of flat sheets stacked onto each other? [[Yes|Oil Shale][$level7 to "Flat sheets"]] [[No|Breccia][$level7 to "No flat sheets"]] [[Back to Beginning|First Question]]

Does the rock have a chalky texture? [[Yes|Chalk Limestone][$level6 to "Chalky texture"]] [[No|Chemical Limestone][$level6 to "No chalky texture"]] [[Back to Beginning|First Question]]

The rock is Chalk Limestone! <center><img src="Images/11.JPG" alt="Chalk Limestone" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Chemical Limestone! <center><img src="Images/10.JPG" alt="Chemical Limestone" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

The rock is Pumice! <center><img src="Images/16.JPG" alt="Pumice" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

Does the rock have a primarily white color? [[Yes|Rhyolite][$level6 to "White color"]] [[No|Oil Shale][$level6 to "Not white color"]] [[Back to Beginning|First Question]]

The rock is Rhyolite! <center><img src="Images/17.JPG" alt="Rhyolite" height="300"></center> On your lab sheet, identify the following pieces of information: <ul><li>The rock's identity</li> <li>Which of the three main groups this rock fits into</li> <li>Which subgroup(s) the rock fits into</li> <li>What properties are most useful in identifying the rock</li> </ul> [[I don't think it is...|Error]] [[Back to Beginning|First Question]]

!!See Mr. Foss! ''Level 1:'' $level1 ''Level 2:'' $level2 ''Level 3:'' $level3 ''Level 4:'' $level4 ''Level 5:'' $level5 ''Level 6:'' $level6 ''Level 7:'' $level7 ''Level 8:'' $level8 ''Level 9:'' $level9 [[Back to Beginning|First Question]]