2024 Geology Homework

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1. 

__________ rocks are formed from crystallization of molten magma.

2. 

When magma cools slowly and creates visible crystals, it is called an __________ igneous rock.

3. 

When magma cools on the surface of the Earth quickly, it is called an ___________ igneous rock.

4. 

______ rocks are formed when pieces of other rocks are cemented together, and can also be formed when minerals dissolve in water and redeposit as the water evaporates.

5. 

__________ rocks are formed when heat and pressure cause changes to the chemical or physical structure of a rock.

6. 

What are the three primary geological parts (layers) of the Earth?

7. 

_________ plates are made from dense, extrusive igneous rock overlaid with sedimentary rock, while __________ plates are made from less dense igneous, sedimentary or metamorphic rocks.

8. 

Oceanic _________ creates fissures in earth crust which allows magma to form new crust on the ocean floor.

9. 

The San Andreas Fault Zone is an example of two plates sliding past each other. What is this called?

10. 

______ happens when an oceanic plate collides with a continental plate and is driven under the continental plate.

11. 

The Big Bend area is a crustal block that was dropped down along two fault lines as a result of spreading along the Rio Grande Rift.  This is called __________ rifting.

12. 

__________ is the study of the composition, sequence, and origin or rocks, what the rocks are made of, how they were formed, and the order in which the layers were formed.

13. 

________ rocks are, often called the “basement complex” and thought to form the foundation of continental masses which underlie all of Texas.

14. 

During the Middle-__________ time, Texas was covered by a shallow sea which deposited sandstone.

15. 

The Guadalupe Mountains were once a _____.

16. 

Layers of soil consist of various materials, including weathered rock and decomposed organic matter.  These layers are called ________, and together create a soil ______.

17. 

The four physical properties of soil are:

18. 

There are nine major aquifers in Texas. An aquifer is a rock or soil that contains and transmits water in significant quantities.

19. 

The rocks rhyolite, andesite and basalt are examples of __________ rocks.

20. 

The rocks slate, marble, schist and gneiss are examples of __________ rocks.

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Chapter Meeting Placeholder. A further description monthly meeting will appear here as the scheduled meeting draws near. Join us in north Dallas at Dallas College...
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Community Day Guided Hikes at the Trinity River Audubon Center (AT) Saturday, April 6, 2024  |  1 hr each hike, start times: 10am,   11am,   1pm  ...
1st Saturday Nature Walk– Friends of LLELA (AT) Saturday, April 06, 2024  |  10am-12noon Animal tracks, deer trails, singing birds, trees with personality – we...
Community Day Guided Hikes at the Trinity River Audubon Center (AT) Saturday, April 6, 2024  |  1 hr each hike, start times: 10am,   11am,   1pm  ...
Laura W Bush Native Texas Park – Guided Walk (AT) Saturday, April 06, 2024  |  10:00am-11:00am  The park guides are Certified Master Naturalists from 3...
Amy Martin’s Wild DFW guided Hike #11 at Ned & Genie Fritz Buckeye Trail (AT) Tuesday, April 9, 2024,  9am - 12pm CST Join Jeff...
2nd Saturday Bird Walk at the Heard Museum (AT) Saturday, April 13, 2024  |  8am-9:30am 2nd Saturday Bird Walks are intended to help beginning and...
2nd Saturday Guided Hike at the Trinity River Audubon Center (AT) Saturday, April 13, 2024  |  8:30am-10:00am CST Join TRAC for a guided hike led...
Laura W Bush Native Texas Park – Guided Walk (AT) Saturday, April 13, 2024  |  10:00am-11:00am  The park guides are Certified Master Naturalists from 3...
Tandy Hills Prairie Sky/Star Party (FYI) Saturday, April 13, 2024   7:30 PM or after dark The Fort Worth Astronomical Society presents their Saturday star party...
Hike #9 in Amy Martin’s Wild DFW at Oak Point Park & Nature Preserve (AT) Tuesday, April 16, 2024 ||  9am – 12noon Join Jeff...
Morning Bird Walk at the Trinity River Audubon Center (AT) Saturday, April 20, 2024  |  7:30am-8:30am We will explore the various habitats at the Audubon...
Grass Celebration at the Trinity River Audubon Center (AT) Saturday, April 20, 2024  |  9am - 11am Description:  Don’t Pass On Grass! To celebrate 4/20...
Laura W Bush Native Texas Park – Guided Walk (AT) Saturday, April 20, 2024  |  10:00am-11:00am  The park guides are Certified Master Naturalists from 3...
Friends of Oak Cliff Parks Kids Bug Walk - (AT) Sunday, April 20, 2024   11:00 AM – 1:00 PM Join us for our second year...
Night Hike at the Heard Museum (AT) Saturday, April 20, 2024  |  8pm – 10pm Explore the thrilling sights, smells, and sounds of night with...
Thrive Nature Walk –Lewisville Parks & Rec (AT) Sunday, April 21, 2024 | 9am-10:30am Sights of plants and wildlife, smells of fresh air and trees,...
Laura W Bush Native Texas Park – Guided Walk (AT) Saturday, April 27, 2024  |  10:00am-11:00am  The park guides are Certified Master Naturalists from 3...
Friends of Oak Cliff Parks Wildflower Walk - (AT) Sunday, April 28, 2024   11:00 AM – 1:00 PM Join us for a walk through the...
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Board Meetings are open to all members and to the public. Please contact the Vice President at vicepresident@ntmn.org for meeting details if you want to...
May 1, 2024    
7:00 pm - 8:45 pm
Chapter Meeting Placeholder. A further description monthly meeting will appear here as the scheduled meeting draws near. Join us in north Dallas at Dallas College...
Walk & Talk Bird Tour at John Bunker Sands Wetland Center (AT) Saturday, May 4, 2024  |  730am-930am Join us as we go on a...
Laura W Bush Native Texas Park – Guided Walk (AT) Saturday, May 4, 2024  |  10:00am-11:00am  The park guides are Certified Master Naturalists from 3...
1st Saturday Nature Walk – Friends of LLELA (AT) Saturday, May 4, 2024  |  10am-12noon Fees:  There is no additional fee for this class, just...
Native Plants and Prairies Day 2024 will be held Saturday May 4th at the Bath House Cultural Center at White Rock Lake, 521 E. Lawther...
Night Hike at the Heard Museum (AT) Saturday, May 4, 2024  |  8pm – 10pm Explore the thrilling sights, smells, and sounds of night with...
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