Rock forming minerals silicates

... All have two directions of cleavage AMPHIBOLES (2 types to identify) Cleavage planes intersect forming 124 o and 56 o cleavage angles Crystals usually long and thin a HORNBLENDE (black) Cleavage ... (check with me if not visible!) ACTINOLITE PYROXENES (1 to identify) Cleavage planes intersect forming 88 o and 92 o cleavage angles Crystals usually short and stubby a AUGITE (greenish black)

Ngày tải lên: 30/11/2016, 11:17

... Topic 1: Page 47 Earth Textbook Rock- Forming Minerals common minerals that make up the Earth’s crust * over 2000 minerals known * most are silicates (Si + O + metals) * ... Cleavage minerals split along flat surfaces direction – micas, gypsum, talc directions – feldspars, hornblende directions – galena, halite, calcite Topic 3: Page 49 Earth Textbook Fracture minerals ... rough...

Ngày tải lên: 30/11/2016, 13:38

... fine garnet compound Sandpaper and many other abrasives as well as beautiful gemstones and jewelry are made from garnets Found in… • • • • • Fine polishing and grinding Sandpaper Abrasives Gemstones ... ground up and used today in soaps, abrasive cleansers, and also in polishes Found in… • Abrasive in Lava soap Coal • Organic sedimentary rocks form from the build up and decay of...

Ngày tải lên: 30/11/2016, 13:44

... from the breakdown of other rocks and minerals *Environmental changes and processes affect the rock forming materials and existing rocks *These changes and processes produce distinct groups of rocks ... the majority of the earth  Can use the texture and mineralogy of these rocks to determine where in the Earth they formed Igneous Rock Textures  Where th...

Ngày tải lên: 30/11/2016, 16:54

... Crystals minerals, crystals, and rocks? (ii) – Crystals are made up of only one type of mineral – A crystal’s atoms, ions, or molecules are arranged in an orderly, repeating pattern – Crystals can ... rocks? (iii) – A rock is a mass of many crystals from one or several minerals – Granite is a rock made of main minerals: • Feldspar • Quartz • Mica ©McGill University 2010 How...

Ngày tải lên: 30/11/2016, 08:06

... that were dissolved in the sea water These rocks usually form as the ocean water evaporates away and leaves the dissolved minerals behind These are also monominerallic Bioclastic/Organic – rocks ... Rock facts Most rocks have a number of minerals in common In other words, only a small number of minerals are very common Most rocks are heterogeneous This means that t...

Ngày tải lên: 30/11/2016, 16:20

... CHAPTER CHAPTER HOME Rocks VOCABULARY rock igneous magma sedimentary sediment 6.1 How Rocks Form In general, a rock is a group of minerals bound together Igneous, sedimentary, and metamorphic rocks ... preexisting, rocks Metamorphism can occur across a region, as in mountain building events, or it can occur in smaller local areas A metamorphic rock may be des...

Ngày tải lên: 30/11/2016, 16:35

... from H1 This is a naturally occurring solid mixture composed of minerals, small rock fragments, organic matter, or glass $100 Answer from H1 What is rock? $200 Question from H1 This rock type ... this; it refers to grain size and grain arrangement $500 Answer from H2 What is texture? $100 Question from H3 Rock and mineral fragments that are loos...

Ngày tải lên: 30/11/2016, 16:37

... Custodian, the shock of Brock's words reflected in his face "But how?" "There was a dreadful fire. " Brock answered, lowering his gaze as he continued in subdued tones "A fire so swift and fierce ... Boddaert took his Magi to the top of Fire Rock, and from this high plateau overlooking Brockenhurst Forest, they undertook a ceremony to mark the beginning of Boddaert's Chronicle– a cere...

Ngày tải lên: 06/11/2012, 16:13

... Đáp án mã đề: 143 01 B; 02 D; 03 D; 04 D; 05 A; 06 B; 07 B; 08 B; 09 C; 10 C; 11 B; 12 D; 13 C; Đáp án mã đề: 177 01 B; 02 D; 03 D; 04 C; 05 B; 06 C; 07 B; 08 B; 09 A; 10 D; 11 B; 12 D; 13 C; Đáp ... Đáp án mã đề: 211 01 C; 02 D; 03 B; 04 C; 05 C; 06 B; 07 D; 08 B; 09 D; 10 B; 11 B; 12 A; 13 D; Đáp án mã đề: 245 01 B; 02 B; 03 C; 04 D; 05 D; 06 D; 07 C; 08 B; 09 D; 10 B; 11 B; 12 C; 13 A;...

Ngày tải lên: 16/09/2013, 06:10

... Mẫu NTK Trọng Nguyên, Nhật Minh, Nguyên Hàng, Thanh Huyền Diệu Anh Anh

Ngày tải lên: 18/09/2013, 10:10

... stretch forming (stretch forming) Androforming Age forming Creep forming Die-quench forming Bulging Vacuum forming Linear stretch forming (stretch forming) Linear roll forming (roll forming) ... Publication Information and Contributors Forming and Forging was published in 1988 as Volume 14 of the 9th Edition Metals Handbook With the third printing (1993), th...

Ngày tải lên: 18/10/2013, 04:15

... nhiều nhà lãnh đạo thấy "mắc kẹt" phong cách lãnh đạo riêng biệt rõ nét Họ cấu trúc hành vi thích hợp vốn cần dựa theo với tư cách nhà lãnh đạo kinh doanh, cho dù khía cạnh công chúng hoạt động lãnh ... không biến trở thành nhà lãnh đạo, tương tự việc tay guitar không dễ dàng trở thành nhạc rock Đó lý học thứ hai trở nên khó khăn hơn: hiến dâng cho luyện tập Các nh...

Ngày tải lên: 23/10/2013, 14:15

... some nouns as they are sheep/sheep deer/deer 12 Add s to the most important noun in a hyphenated word editor-in-chief/editors-in-chief brother-in-law/brothers-in-law 13 Add s to proper nouns ... Add es to proper nouns which end in s Mr and Mrs Walker/the Walkers Mr and Mrs Ross/the Rosses This handout is adapted from University of Alabama Writing Center Website Only the format has been

Ngày tải lên: 08/11/2013, 18:11

... nhiều nhà lãnh đạo thấy "mắc kẹt" phong cách lãnh đạo riêng biệt rõ nét Họ cấu trúc hành vi thích hợp vốn cần dựa theo với tư cách nhà lãnh đạo kinh doanh, cho dù khía cạnh công chúng hoạt động lãnh ... không biến trở thành nhà lãnh đạo, tương tự việc tay guitar không dễ dàng trở thành nhạc rock Đó lý học thứ hai trở nên khó khăn hơn: hiến dâng cho luyện tập Các nh...

Ngày tải lên: 15/12/2013, 14:15