Extraction of land-surface parameters and objects from DEMs

Extraction of land-surface parameters and objects from DEMs Edited by TOMISLAV HENGL Institute for Biodiversity and Ecosystem Dynamics University of Amsterdam Amsterdam, The Netherlands . HANNES I. REUTER Institute for Environment and Sustainability DG Joint...

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petrified wood ...

Petrified wood found only in a specific area of Utah...it's called -yellow cat Petrified Wood Specimen (petrified Conifer wood slab)  Arizona petrified wood ... Zimbabwe ...

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Extracting some Geomorphological features from Aerial photograph Vs LIDAR DTM

"The effectiveness of high-resolution topography (0.5 m DTM) derived by LIDAR data in the recognition of geomorphological features in the mountainous landscapes (slides courtesy of Paolo Tarolli)". About Author  These are slides of a well known...

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Determine your imagery to use!!!

After you clearly understood the problem that needs to be solved, you need to determine or choose the right imagery to be obtained for extracting the information we need. There a large number of data types are available to suit various needs. As Examples 1. If we are...

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Moroccan Ammonite

Moroccan Ammonite with a calcite replacement of its cellular structure and inlaid sections of synthetic Op...

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“Halley’s Comet” Opal

The 2000 carat “Halley’s Comet” Opal - Listed in the Guinness Book of World Records as the largest uncut Black Opal nodule. Found at Lightning Ridge, Australia in 19...

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Phantom Quartz

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Amazing Flourite

12 Fluorita rainbow - South Africa ...

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Tiffany Opal Necklace with Demantoid Garnet Accents

Tiffany Opal Necklace with Demantoid Garnet Accents, Janet Annenberg Hooker Hall of Geology, Gems, and Minerals This necklace by Louis Comfort Tiffany sports a black opal from Australia’s Lightning Ridge, along with demantoid garnet accents from Russi...

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Twin Galaxy Stones

11 Black Opal  Twin Galaxy Stones - A stunning pair of nearly identical Lightning Ridge Black Opals. These rare stone are both more valuable than diamonds. Source Here...

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Amazing Boulder Opal

10 Boulder Opal - Jundah, Queensland, Australia ...

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The stone of spiritual enlightenment

09 Seraphinite  Seraphinite is a stone of spiritual enlightenment said to be among the most important stones discovered for connecting and communicating with higher energies. It facilitates conscious awareness on many higher planes, is excellent for accessing self-healing, promotes...

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Scheherazade's Palace ring

03 Gold and silver Scheherazade's Palace ring featuring diamonds, mosaic with turquoise tesserae and a blue tourmaline with an inversely engraved intaglio. By Rachel Garrahan in New York Scheherazade, the legendary Persian queen, was famed for her storytelling prowess....

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Dendritic agate

07 Dendritic agate 26,20 ct Beautiful sagenitic agate pear cabochon. B. Chatenet's ex-collection. Weight : 26,20 ct Size : 28,0 x 28,0 x 6,2 mm Clarity : Opaque Shape : Cabochon Color : Grey, black Provenance : Turkey Treatment : No...

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8-Black Opal

08Largest Freeform Black Opal In The World 1200 gr or 6000 ct Largest Freeform Black Opal In The World. #-COL0017 P.O.A. The huge carving weights 1.2 Kg or 6,000 carats, making it the largest freeform black opal in the world.The carving is 12" long 9" wide and 3" thick...

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02 Beautiful Gem Rings ...

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Beautiful Rings From Opal

01 Opal and Gold ring 02 Opal and Diamond ring ...

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Amazing Opal

06 This is an American Contra Luz Opal. ...

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Amazing Koroit Opal

05 Koroit Opal ...

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Koroit Opal Nuts - Australia

04 Koroit Opal Nuts – Australia ...

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Remote Sensing for Geoscientist

Our Problem Vs Our Image!!! All remote sensing projects begin with a problem we are trying to solve: We may want to find out where the oil is, where to drill, the best way to get to a drill site, and where to build a pipeline or a gas plant for the least cost and...

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Tripiche Emerald

Tripiche Emerald - Coscuez, La Peña Blancas, Muzo Mining District, Colombia ...

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A collection of beautiful rocks and minerals you may ever seen

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Make your rocks look beautiful

Make your rocks look beautiful ...

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Digital Elevation Models (DEM)

01 Digital Elevation Models (DEM) INTRODUCTION A DEM is a raster representation of the Altitude provide basic, quantitative information about the Earth’s surface. The accuracy of this data is determined primarily by the resolution (the distance between sample points)....

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