'Secondary minerals' presentation slideshows

The rock cycle

The rock cycle. WEATHERING Physical and Chemical Physical weathering- Changes in the degree of consolidation with little or no chemical and mineralogical changes in rocks and minerals. Frost wedging, salt weathering in arid climates, thermal expansion, plant and animal disruption.

911 views • 76 slides

ME31D: DRAINAGE AND IRRIGATION ENGINEERING

ME31D: DRAINAGE AND IRRIGATION ENGINEERING. INTRODUCTION. COURSE GOALS. This course has two specific goals: (i) To introduce students to basic concepts of soil, water, plants, their interactions, as well as irrigation and drainage systems design, planning and management.

1.1k views • 56 slides

Soil Formation

Soil Formation. Soil forms when weathered parent material interacts with environment. rate of formation. Slow--------------------------------------Fast ~ 1 cm/1000 yr ~ 30cm/50yr. Hans Jenny.

1.2k views • 56 slides

Samalayuca Samalayuca is a Mexican mining/exploration company based in Chihuahua, Mexico.

January 2012. Samalayuca Samalayuca is a Mexican mining/exploration company based in Chihuahua, Mexico. Samalayuca owns the Kaity claim, a 1623 hectare copper/gold property in Chihuahua. Samalayuca is filing claims on unclaimed property near the Kaity claim ( Kaity II).

872 views • 51 slides

Fig 5.12

WHERE DO SEDIMENTS ORIGINATE?. Fig 5.12. WEATHERING OF PRE-EXISTING ROCKS. HOW ARE SEDIMENTS MOVED? (ERODED/TRANSPORTED). water wind ice gravity. WHERE DO SEDIMENTS ACCUMULATE?. 75% OF SURFACE ROCKS ARE SEDIMENTARY. JUST LIKE IGNEOUS ROCKS: TEXTURE MEANS SIZE OF GRAINS.

592 views • 44 slides

Color, Trace Fossils, Weathering, and Soils

Color, Trace Fossils, Weathering, and Soils. Causes of Color Common Trace Fossils Weathering Processes - Physical Weathering - Chemical Weathering Weathering Products - Soils - Paleosols. Text: Manual p. 15, 89; Boggs Ch.1, 114-122 . Causes of Color. color. mineral.

582 views • 42 slides

Samalayuca Samalayuca is a Mexican mining/exploration company based in Chihuahua, Mexico.

January 2012. Samalayuca Samalayuca is a Mexican mining/exploration company based in Chihuahua, Mexico. Samalayuca owns the Kaity claim, a 1623 hectare copper/gold property in Chihuahua. Samalayuca is filing claims on unclaimed property near the Kaity claim ( Kaity II).

508 views • 37 slides

Wednesday, Oct. 7

588 views • 37 slides

Petrology

Petrology. The study of the properties of rocks and the processes behind their formation Recognition and description of rocks Interpretation of their origin and history. Instructor. Michael F. Sheridan email: mfs@geology.buffalo.edu Homepage: http://www.eng.buffalo.edu/~mfs

752 views • 22 slides

Weathering

Weathering. Weathering Processes. All rock types (ig., meta. and sed.) can be weather. Physical weathering: breaking of rocks into smaller pieces Chemical weathering: dissolving minerals. Benefits of Weathering. Creates soil, an essential ingredient for abundant plant life.

838 views • 17 slides

Parent material soil

Mineral Weathering and Secondary Mineral Formation weathering: chemical alteration of minerals (in soils, involves water, gases, acids, etc). Parent material soil Desilication via weathering

249 views • 17 slides

Martian Mineralogy: Important Minerals for Understanding Geological Processes on Mars

Martian Mineralogy: Important Minerals for Understanding Geological Processes on Mars. Liz Rampe (NASA-JSC/ORAU) 9 July 2012 elizabeth.b.rampe@nasa.gov. Why Study Minerals on Mars?. Link to past and present geologic processes Understand how geologic processes changed over time

151 views • 15 slides

ROCKS AND MINERALS

ROCKS AND MINERALS. Lithosphere: solid realm of the planet. Composition of the lithosphere, by volume. Oxides. By WEIGHT: O: 93.7% Si: 0.86%. Silicates. Most PRIMARY minerals are silicates : -silicon and oxygen, plus other elements. Examples: Olivine (Mg,Fe) 2 SiO 5

230 views • 9 slides

Soil & Erosion

Soil & Erosion. Weathering. Weathering breaks down rock Two types: physical and chemical . Physical Weathering. Abrasion, freeze-thaw, thermal expansion/contraction, pressure unloading, and plants and organisms cause physical weathering .

304 views • 8 slides