1. Safety Helmet /person (Must be brought)
2. Photocopy ID card
3. Private Medicines
4. Description column 10 sheet /person
5. Ruler min 30 cm.
6. Sediment Comperator /person
7. Luv/person
8. HVS 20 sheet / person
9. Complete Writing tools / person
10. Clib Board/ person
11. Data column
12. Linggis 1 and Pasak besi 2-3 (Group)
13. Colour pencils/ person
14. Measurement tools 30 m.. ( Group )
15. “ Godam” hammer 5 – 10 kg. (Group )
16. Geology Compas. (Group )
17. Gunny 2 pieces(person)
18. Digital Camera. (Group)
19. HCL. (Group )
20. rain coat
21. Pick/Chisel hammer (group)
22. Snack + softdrink ,,,
“Preparing your mental, Material and Healty”
Sincerely yours,
Sedimentary Brotherhood
Selasa, 23 Februari 2010
Sabtu, 20 Februari 2010
Sedimentology Welcome Party
at january 2010,Sedimentology welcome party was held by sedimentology assistent for introducting the new assistent to other sedimentology brotherhood.
Thanks gving ceremony by doing karoke
sedimentray gathering
the candidates of assitant leader and giving the position ceremony
Sedimentology bBrotherhood
Thanks gving ceremony by doing karoke
sedimentray gathering
the candidates of assitant leader and giving the position ceremony
Sedimentology bBrotherhood
Jumat, 19 Februari 2010
Check list for Granulometry Fields Activity
1. Geology Compas.
2. description column 5 lbr/org.
3. Measurement tools 30 m.
4. Cetok.
5. Sediment Comperator.
6. Luv.
7. HVS 10 sheets/org.
8. Ruler min 30 cm.
9. Writing equipments.
10. Clib Board.
11. colour pencil.
12. Sample plastic 2 kg ( 10plastik/org ).
13. Digital camera.
14. HCL.
15. PVC 3“.
16. Snack + soft drinks
“Preparing your mental, Material and Healty”
Sincerely yours,
Sedimentary Brotherhood
1. Geology Compas.
2. description column 5 lbr/org.
3. Measurement tools 30 m.
4. Cetok.
5. Sediment Comperator.
6. Luv.
7. HVS 10 sheets/org.
8. Ruler min 30 cm.
9. Writing equipments.
10. Clib Board.
11. colour pencil.
12. Sample plastic 2 kg ( 10plastik/org ).
13. Digital camera.
14. HCL.
15. PVC 3“.
16. Snack + soft drinks
“Preparing your mental, Material and Healty”
Sincerely yours,
Sedimentary Brotherhood
Kamis, 18 Februari 2010
Announcement For Core Analaysis
Check list for core analysis schedule
1. Kop CORE ( Sesuai Format ).
2. Komparator Sedimen.
3. Lup.
4. Camera Digital.
5. HVS 10 lbr/org.
6. Penggaris minimal 30 cm.
7. Alat tulis lengkap.
8. Pensil warna.
9. Lem /Isolasi / Doble tip.
10. Gunting / Cutter.
11. Parameter foto
12. Tugas Mingguan.
13. On Time,,,
Masing-masing praktikan wajib membawa semua checklist tersebut, jika tidak lengkap.. tidak boleh mengikuti acara praktikum!!!
“Persiapkan Mental, Materi dan Kesehatan”
“Dare for your geological imagination”
Sedimentary Brotherhood
1. Kop CORE ( Sesuai Format ).
2. Komparator Sedimen.
3. Lup.
4. Camera Digital.
5. HVS 10 lbr/org.
6. Penggaris minimal 30 cm.
7. Alat tulis lengkap.
8. Pensil warna.
9. Lem /Isolasi / Doble tip.
10. Gunting / Cutter.
11. Parameter foto
12. Tugas Mingguan.
13. On Time,,,
Masing-masing praktikan wajib membawa semua checklist tersebut, jika tidak lengkap.. tidak boleh mengikuti acara praktikum!!!
“Persiapkan Mental, Materi dan Kesehatan”
“Dare for your geological imagination”
Sedimentary Brotherhood
THE GEOLOGY OF ZION NATIONAL PARK
Zion national Park is a showcase of geology. geologic processes have played an important role in shaping Zion.The arid climate and sparse vegetation allow the exposure of large expenses of bare rock and reveal the park’s geologic history.Zion is located along the edge of a region called the Colorado plateau. The rock layers have been aplified, tilted, and croded, forming a led the Grand Staircase,a series of colorful cliffs stretching between Bryce Canyon and the Grand Canyon. The bottom layer of rock at Bryce Canyon is the top layer at Zion, and the bottom layer at Zion is the top layer at the Grand Canyon.
Sedimentation
Zion was a relatively flat basin near sea level 240 milion years ago. as sands, gravels, and mud eroded from surrounding mountains, streams,caried these material into basin and deposited them in layers. The sheer weight of these accumulated layers caused the basin to sink, so that the top surface always remained near sea level. As the land roseand fell and as the climated change, the depositional environment fluctuated from shallow seas to coastal plains to a desert of the massive windblown sand. This process of sedimentation continued until over 10,000 feet of material accumulated.
Lithification
Mineral-laden waters slowly filtered trough the compacted sediments. Iron oxide, calcium carbonate and silica acted as cementing agents, ad with pressure from overlying layers over long periods of time, transformed the deposites into stone. Ancient seabeds became limestone; mud and clay became mudstone and shale; and desert sand became sandstone. Each layer originated from a distinct source and so differs in thickness, mineral content, color, and eroded appearance.
Uplift
In area from Zion to the Rocky Mountains, forces deep within the earth started to push the surface up. This was not chaotic uplift. but very slow vertical hoisting of huge blocks of the crust. Zion’s elevation rose from near sea level to as high as 10,000 feet above sea level. Uplift is still occuring. In 1992 a magnitude 5.8 earthquake caused a landslide visible just outside the south entrance of the park in Springdale.
Erosion
This uplift gave the streams greater cutting force in their descent to the sea. Zion’s location on the western edge of this uplift caused the streams to tumble off the plateau, flowing rapidly down a steep gradient. a fast-moving stream carries more sediment and larger boulders than a slow-moving river. These streams began eroding and cutting into rock layer, forming deep and narrow canyons. Since the uplift began, the North Fork of the Virgin river has carried away several thousand feet of rock that once lay above the highest layers visible today. The Virgin river is still excavating. Upstream from the Temple of Sinawava the river cuts through Navajo Sandstone, creating a slot canyon. At the temple, the river has reached the softer Kayenta Formation below. Water erodes the shale, undermining the overlaying sandstone and causing it to colapse, widening the canyon.
Geology in Action
A landslide once dammed the Virgin River forming a lake. Sediments settled out of the quite waters, covering the lake bottom. When the river breached the dam and the lake drained, it left behind a flat-bottomed valley. This change in the character of vthe canyon can be seen from the scenic drive south of the Zion Lodge near the Sentinel Slide. This slide was active again in 1995, damaging the road. Flash floods occur when sudden thunderstorms dump water on exposed rock. With little soil to absorb the rain, water runs down-hill, gathering volume as it goes. These floods often occur without warning and can increase water flow by ove 100 times. In 1998 a flash flood increased the volume of the Virgin River from 200 cubic feet per second to 4.500 cubic feet per second, again damaging the scenic drive at the Sentinel Slide.
Zion national Park is a showcase of geology. geologic processes have played an important role in shaping Zion.The arid climate and sparse vegetation allow the exposure of large expenses of bare rock and reveal the park’s geologic history.Zion is located along the edge of a region called the Colorado plateau. The rock layers have been aplified, tilted, and croded, forming a led the Grand Staircase,a series of colorful cliffs stretching between Bryce Canyon and the Grand Canyon. The bottom layer of rock at Bryce Canyon is the top layer at Zion, and the bottom layer at Zion is the top layer at the Grand Canyon.
Sedimentation
Zion was a relatively flat basin near sea level 240 milion years ago. as sands, gravels, and mud eroded from surrounding mountains, streams,caried these material into basin and deposited them in layers. The sheer weight of these accumulated layers caused the basin to sink, so that the top surface always remained near sea level. As the land roseand fell and as the climated change, the depositional environment fluctuated from shallow seas to coastal plains to a desert of the massive windblown sand. This process of sedimentation continued until over 10,000 feet of material accumulated.
Lithification
Mineral-laden waters slowly filtered trough the compacted sediments. Iron oxide, calcium carbonate and silica acted as cementing agents, ad with pressure from overlying layers over long periods of time, transformed the deposites into stone. Ancient seabeds became limestone; mud and clay became mudstone and shale; and desert sand became sandstone. Each layer originated from a distinct source and so differs in thickness, mineral content, color, and eroded appearance.
Uplift
In area from Zion to the Rocky Mountains, forces deep within the earth started to push the surface up. This was not chaotic uplift. but very slow vertical hoisting of huge blocks of the crust. Zion’s elevation rose from near sea level to as high as 10,000 feet above sea level. Uplift is still occuring. In 1992 a magnitude 5.8 earthquake caused a landslide visible just outside the south entrance of the park in Springdale.
Erosion
This uplift gave the streams greater cutting force in their descent to the sea. Zion’s location on the western edge of this uplift caused the streams to tumble off the plateau, flowing rapidly down a steep gradient. a fast-moving stream carries more sediment and larger boulders than a slow-moving river. These streams began eroding and cutting into rock layer, forming deep and narrow canyons. Since the uplift began, the North Fork of the Virgin river has carried away several thousand feet of rock that once lay above the highest layers visible today. The Virgin river is still excavating. Upstream from the Temple of Sinawava the river cuts through Navajo Sandstone, creating a slot canyon. At the temple, the river has reached the softer Kayenta Formation below. Water erodes the shale, undermining the overlaying sandstone and causing it to colapse, widening the canyon.
Geology in Action
A landslide once dammed the Virgin River forming a lake. Sediments settled out of the quite waters, covering the lake bottom. When the river breached the dam and the lake drained, it left behind a flat-bottomed valley. This change in the character of vthe canyon can be seen from the scenic drive south of the Zion Lodge near the Sentinel Slide. This slide was active again in 1995, damaging the road. Flash floods occur when sudden thunderstorms dump water on exposed rock. With little soil to absorb the rain, water runs down-hill, gathering volume as it goes. These floods often occur without warning and can increase water flow by ove 100 times. In 1998 a flash flood increased the volume of the Virgin River from 200 cubic feet per second to 4.500 cubic feet per second, again damaging the scenic drive at the Sentinel Slide.
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