4 8 rocks and minerals (earth science)

... travel through weaknesses in rocks and form ore deposits or vein minerals Unit – Rocks and Minerals Lesson – Rock Cycle: Vocabulary •rock •rock cycle Unit – Rocks and Minerals Lesson – Rock Cycle ... most and least useful for identifying your minerals? Why? [BE SPECIFIC] – Refer to your hypothesis Unit – Rocks and Minerals Lesson – Mineral Uses: Vocabulary •ge...

Ngày tải lên: 30/11/2016, 16:54

... breaks down, it slowly turns into new soil over many, many years 13 Comparing Soils Soils can be different Sand, silt, and clay particles are found in soil Sand particles are the largest They have ... spaces between rocks and humus Loam is a good soil for growing plants It contains sand, silt, clay, humus, and air Plants can soak up water easily from loam Sandy soil feels rou...

Ngày tải lên: 21/04/2017, 08:33

... SILICATE MINERALS • Make up 90-95% of the Earth s Crust • Dominant component of most rocks, include: – QUARTZ (SiO2) – FELDSPARS – MICAS ROCKS • AGGREGATIONS OF OR MORE MINERALS – Same or different minerals ... years – Dating Range: 10 million – 4.6 billion years • POTASSIUM-ARGON (K40-Ar40) – Half-life: 1. 3 billion years – Dating Range: 10 0,000 – 4.6 billion years • CARBON -14...

Ngày tải lên: 30/11/2016, 13:58

... rocks 78 USE OF ROCKS AND MINERALS ROCKS AND MINERALS 79 In Daily Life Metals t is impossible to conceive of modern life without the constant use of objects and materials made of rocks and minerals, ... again Igneous and plutonic rocks form as magma cools and solidifies below the Earth's surface IGNEOUS ROCK 58 FORMATION AND TRANSFORMATION OF ROCKS ROCKS AND...

Ngày tải lên: 11/08/2014, 16:26

... How to Collect Rocks and Minerals Written by Susan Tejada Illustrated by Steve Seymour and Ed French DIG IT! How to Collect Rocks and Minerals Electronic book published ... Mondshein Dig it! : how to collect rocks and minerals / written by Susan Tejada ; illustrated by Steve Seymour and Ed French p cm.—(Reader’s Digest explorer guides) Includes in...

Ngày tải lên: 29/10/2014, 13:07

... are rocks and minerals? 10 How rocks are formed 12 Weathering and erosion 14 Rocks on the seashore 16 Igneous rocks 18 Volcanic rocks 20 Sedimentary rocks 22 Limestone caves 24 Metamorphic rocks ... (copper sulfate) and formed from copper-rich waters in a mine Rocks and minerals occur in many different forms Rocks not necessarily have to be hard and resistant; l...

Ngày tải lên: 20/06/2015, 08:43

... form to another and back again  geologists call these transformations the “rock cycle” Rock Cycle What are Rocks? What are Minerals? • Rocks • Minerals • An aggregate or mixture of minerals • Composition ... Limestone made of Calcite Granite contains minerals Minerals • minerals are the building blocks of rocks • differ in composition and properties See Minerals link on...

Ngày tải lên: 30/11/2016, 11:19

... Metamorphic Rocks Rocks may be altered through • Temperature • Pressure • Deformation • Fluid influx Metamorphic Rocks • The original rock is termed a protolith • The composition of the protolith and ... of mica minerals give phyllite a shiny, “wavy” appearance Metamorphic Rocks • Schist - heavily foliated rock in which all the original clay minerals are fully transformed Metamor...

Ngày tải lên: 30/11/2016, 16:05

... these minerals have some economic value they are called ore minerals • Rocks • Introduction – Elements are chemically combined to form minerals – Minerals are physically combined to form rocks ... dense minerals (orthoclase feldspar, quartz, and white mica) crystallize Thus, granitelike rocks can form from a magma that would have produced basaltic rocks had it cooled quic...

Ngày tải lên: 30/11/2016, 16:20

... of Sedimentary Rocks- based on formation • Clastic Sedimentary • Chemical Rocks are formed Sedimentary Rocks from weathered bits of are formed when rocks and minerals dissolved minerals precipitate ... minerals and feldspar, along with Mg and Fe Darker and denser than granitic composition Igneous rock classification scheme based on mineral composition and texture There...

Ngày tải lên: 30/11/2016, 16:34

... Example s are s and s to ne and c o ng lo m e rate , whic h are c o mpo s e d o f partic le s o f s and, pe bble s and s mall ro c ks S e dime ntary Ro c ks Co ng lo me rate S ands to ne Fo rmatio ... ure c re ate d by wate r and o ve rlying s e dime nts be c o me s g re at e no ug h to fo rc e partic le s o f s e dime nt c lo s e to g e the r, drive o ut any wate r, and c o mpac t...

Ngày tải lên: 30/11/2016, 16:37

... Topic Sedimentary Rocks Topic Igneous Rocks Topic Metamorphic Rocks Topic Rocks Topic Rocks Topic Rocks Jeopardy sedimentary igneous metamorphic Rocks Rocks Rocks 100 100 100 100 100 ... Return $100 Question Topic True or False Foliated metamorphic rocks are rocks that have bands or streaks in the rocks, and tend to be hard rocks $100 Answer Topic True Return $200 Q...

Ngày tải lên: 30/11/2016, 16:54

... change the landscape in a dramatic way Volcanic eruptions release lava from underground What is a river? A river is a waterway that flows across land Some rivers are calm They flow slowly and ... underground gases Magma that reaches near the surface flows more easily It erupts through areas of weakness in the Earth’s crust These openings are called volcanoes Magma that has reached...

Ngày tải lên: 20/04/2017, 15:31

... towns and cities Patterns of Weather Weather patterns are caused by many things The Sun, oceans, and mountains all affect weather patterns Some places get the same weather patterns again and again ... track Hurricanes are large storms that form over the ocean 10 11 Thunderstorms and Blizzards Storms that cause rain, thunder, and lightning are called thunderstorms Thunderst...

Ngày tải lên: 21/04/2017, 08:52

... crate Crystals come in different sizes Rock salt comes in large crystals you can see Many gems are also large crystals Gems that are crystals were formed underground long ago Volcanoes and earthquakes ... learn how we find gemstones and why we value them Crystals and Gems Minerals are made of atoms An atom is the tiniest part of all things Some atoms can come together to...

Ngày tải lên: 21/04/2017, 15:31