scholarly journals Study of Reducing the Damage and Reuse of Waste Tanks in the Certej Mining Area

Mining Revue ◽  
2021 ◽  
Vol 27 (1) ◽  
pp. 34-40
Author(s):  
Mărioara Benea ◽  
Sorin Mihai Radu ◽  
Evgheni Taschi
Keyword(s):  
Gold Mining ◽  
Mining Area ◽  
Soil Conditions ◽  
History Of ◽  
Excess Moisture ◽  
Spontaneous Vegetation ◽  
Ecological Reconstruction ◽  
Combined Impact ◽  
Different Levels ◽  
Tailings Dumps

Abstract The Certej area is an area of gold mining activities with a history of several hundred years. The only activity with a significant share in the area was the mining activity, which provided the population of Certeju de Sus commune and its surroundings with the means necessary for a decent living. In the case of tailings dumps, the soil suffers a combined impact - by removing large areas of land from the natural circuit and by generating acidic water. The geology and morphology of the region, characterized by the existence of surfaces with different slopes, are natural causes that attribute different levels of vulnerability to land at the onset of degradation processes by erosion, landslides and excess moisture. All these bring limitations in the use of land on the main uses: agricultural, forestry, construction, etc. The paper aims to provide solutions for the reuse of these lands, their use by recultivation, the search for plant species adaptable to soil conditions. A relatively small number of species were determined on the tailings dumps in the studied area, the spontaneous vegetation is visibly stressed by the existing conditions. As such, the method of ecological reconstruction of freshly deposited tailings dumps by the method of forest recultivation is proposed.

scholarly journals REKLAMASI LAHAN KRITIS BEKAS PENAMBANGAN EMAS MENGGUNAKAN METODE BIOREMEDIASI DAN FITOREMEDIASI

2019 ◽  
Vol 15 (2) ◽  
pp. 216
Author(s):  
Liswara Neneng ◽  
Dewi Saraswati
Keyword(s):  
Soil Nutrients ◽  
Gold Mining ◽  
Soil Nutrient ◽  
Mining Area ◽  
Pilot Scale ◽  
Soil Conditions ◽  
Degraded Land ◽  
Mining Site ◽  
Central Kalimantan ◽  
Soil Mercury

Degraded land caused by gold mining activities in Central Kalimantan requires reclamation efforts, in order to restore of soil conditions, due to the damage of topsoil layer, lack of soil nutrients, and reduced of soil fertility. This research aim was to find an appropriate method of biological reclamation in ex gold mining area, by utilizing a combination of several types of microorganisms and mercury phytoremediator plants. The research is an experiment on a pilot scale at an ex gold mining site in Central Kalimantan. Bioremediation method has used a consortium of local isolates Klebsiella sp. and Pseudomonas sp., and the phytoremediation method was used Melastoma sp. and Cyperus sp. Dependent variables were soil mercury concentration and soil nutrients. The results showed the application of consortium microorganisms and mercury phytoremediator, were able to reduce soil mercury concentrations in averages 2.5 ppm, soil nutrient levels increased in averages 33%. These increased soil nutrients consist of potassium in averaged 73%, Mg in average 21%, Na in average 19.5%, and Fe in averaged 71%, when compared to controls. The application of consortium of microorganisms combined with mercury plant phytoremediator type Melastoma sp., able more to improve soil conditions in ex gold mining area compared to Cyperus sp.

‘Do not Do’ Recommendations in Hemophilia

2020 ◽  
Vol 20 (3) ◽  
pp. 168-174
Author(s):  
Hortensia De la Corte-Rodriguez ◽  
E. Carlos Rodriguez-Merchan ◽  
M. Teresa Alvarez-Roman ◽  
Monica Martin-Salces ◽  
Victor Jimenez-Yuste
Keyword(s):  
Improve Patient Safety ◽  
Health Resources ◽  
Fresh Frozen Plasma ◽  
Factor Ix ◽  
Levels Of Care ◽  
Fresh Frozen ◽  
History Of ◽  
Improve Patient ◽  
Different Levels ◽  
Frozen Plasma

Background: It is important to discard those practices that do not add value. As a result, several initiatives have emerged. All of them try to improve patient safety and the use of health resources. Purpose: To present a compendium of "do not do recommendations" in the context of hemophilia. Methods: A review of the literature and current clinical guidelines has been made, based on the best evidence available to date. Results: The following 13 recommendations stand out: 1) Do not delay the administration of factor after trauma; 2) do not use fresh frozen plasma or cryoprecipitate; 3) do not use desmopressin in case of hematuria; 4) do not change the product in the first 50 prophylaxis exposures; 5) do not interrupt immunotolerance; 6) do not administer aspirin or NSAIDs; 7) do not administer intramuscular injections; 8) do not do routine radiographs of the joint in case of acute hemarthrosis; 9) Do not apply closed casts for fractures; 10) do not discourage the performance of physical activities; 11) do not deny surgery to a patient with an inhibitor; 12) do not perform instrumental deliveries in fetuses with hemophilia; 13) do not use factor IX (FIX) in patients with hemophilia B with inhibitor and a history of anaphylaxis after administration of FIX. Conclusions: The information mentioned previously can be useful in the management of hemophilia, from different levels of care. As far as we know, this is the first initiative of this type regarding hemophilia.

scholarly journals Mineralogy and Geochemistry of Ultramafic Rocks from Rachoni Magnesite Mine, Gerakini (Chalkidiki, Northern Greece)

Minerals ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 934
Author(s):  
Evangelos Tzamos ◽  
Micol Bussolesi ◽  
Giovanni Grieco ◽  
Pietro Marescotti ◽  
Laura Crispini ◽  
...  
Keyword(s):  
Raw Materials ◽  
Mining Area ◽  
Ultramafic Rocks ◽  
Northern Greece ◽  
Icp Ms ◽  
Time In Literature ◽  
History Of ◽  
First Time ◽  
The Eu

The importance of magnesite for the EU economy and industry is very high, making the understanding of their genesis for the exploration for new deposits a priority for the raw materials scientific community. In this direction, the study of the magnesite-hosting ultramafic rocks can be proved very useful. For the present study, ultramafic rock samples were collected from the magnesite ore-hosting ophiolite of the Gerakini mining area (Chalkidiki, Greece) to investigate the consecutive alteration events of the rocks which led to the metallogenesis of the significant magnesite ores of the area. All samples were subjected to a series of analytical methods for the determination of their mineralogical and geochemical characteristics: optical microscopy, XRD, SEM, EMPA, ICP–MS/OES and CIPW normalization. The results of these analyses revealed that the ultramafic rocks of the area have not only all been subjected to serpentinization, but these rocks have also undergone carbonation, silification and clay alteration. The latter events are attributed to the circulation of CO2-rich fluids responsible for the formation of the magnesite ores and locally, the further alteration of the serpentinites into listvenites. The current mineralogy of these rocks was found to be linked to one or more alteration event that took place, thus a significant contribution to the metallo- and petrogenetic history of the Gerakini ophiolite has been made. Furthermore, for the first time in literature, Fe inclusions in olivines from Greece were reported.

scholarly journals Long-range effect of cyanide on mercury methylation in a gold mining area in southern Ecuador

2011 ◽  
Vol 409 (23) ◽  
pp. 5026-5033 ◽  
Author(s):  
Jean Remy Davée Guimaraes ◽  
Oscar Betancourt ◽  
Marcio Rodrigues Miranda ◽  
Ramiro Barriga ◽  
Edwin Cueva ◽  
...  
Keyword(s):  
Long Range ◽  
Gold Mining ◽  
Mining Area ◽  
Mercury Methylation ◽  
Range Effect ◽  
Southern Ecuador

Quality of soil from the nickel mining area of Southeast Sulawesi, Indonesia, engineered using earthworms (Pheretima sp.)

2021 ◽  
Vol 8 (4) ◽  
pp. 2995-3005
Author(s):  
Hasbullah Syaf ◽  
Muhammad Albar Pattah ◽  
Laode Muhammad Harjoni Kilowasid
Keyword(s):  
Tap Water ◽  
Soil Aggregates ◽  
Aggregate Size ◽  
Mining Area ◽  
Size Class ◽  
Soil Conditions ◽  
Total N ◽  
Organic C ◽  
Size Classes ◽  
Nickel Mining

Earthworms (Pheretima sp.) could survive under abiotic stress soil conditions. Furthermore, their activities as ecosystem engineers allow for the creation of soil biostructures with new characteristics. Therefore, this study aimed to investigate the effect of the abundance of Pheretima sp. on the aggregate size, physicochemistry, and biology of the topsoil from the nickel mining area of Southeast Sulawesi, Indonesia. It was carried out by first grouping their abundance into zero, two, four, six, and eight individuals per pot and then carrying out tests. The Pheretima sp. were then released onto the surface of the topsoil and mixed with biochar that was saturated with tap water in the pot overnight. The results showed that the abundance of the species had a significant effect on the size class distribution, and aggregate stability of the soil. Furthermore, the size of the soil aggregates formed was dominated by the size class 2.83 - 4.75 mm under both dry and wet conditions. Under dry conditions, three size classes were found, while under wet conditions, there were five size classes. The results also showed that the highest and lowest stability indexes occurred with zero and eight Pheretima sp., respectively. Furthermore, the abundance had a significant effect on pH, organic C, total N, CEC, and total nematodes. However, it had no significant effect on the total P, C/N ratio, total AMF spores, and flagellate. The highest soil pH occurred with zero Pheretima sp., while with six and two members of the species, the total nematode was at its highest and lowest populations, respectively. Therefore, it could be concluded that the species was able to create novel conditions in the topsoils at the nickel mining area that were suitable for various soil biota.

scholarly journals Gold, timber, war and parks : A history of the Rushworth Forest in central Victoria

2010 ◽  
Vol 122 (2) ◽  
pp. 130 ◽  
Author(s):  
Ruth E. Lawrence ◽  
Marc P. Bellette
Keyword(s):  
World War Ii ◽  
Gold Mining ◽  
Forest Cover ◽  
Environmental Changes ◽  
Resource Utilisation ◽  
World War ◽  
Mining Operations ◽  
Prisoner Of War ◽  
Central Victoria ◽  
History Of

The Rushworth Forest is a Box and Ironbark open sclerophyll forest in central Victoria that has been subject to a long history of gold mining activity and forest utilisation. This paper documents the major periods of land use history in the Rushworth Forest and comments on the environmental changes that have occurred as a result. During the 1850s to 1890s, the Forest was subject to extensive gold mining operations, timber resource use, and other forest product utilisation, which generated major changes to the forest soils, vegetation structure and species cover. From the 1890s to 1930s, concern for diminishing forest cover across central Victoria led to the creation of timber reserves, including the Rushworth State Forest. After the formation of a government forestry department in 1919, silvicultural practices were introduced which aimed at maximising the output of tall timber production above all else. During World War II, the management of the Forest was taken over by the Australian Army as Prisoner of War camps were established to harvest timber from the Forest for firewood production. Following the War, the focus of forestry in Victoria moved away from the Box and Ironbark forests, but low value resource utilisation continued in the Rushworth Forest from the 1940s to 1990s. In 2002, about one-third of the Forest was declared a National Park and the other two-thirds continued as a State Forest. Today, the characteristics of the biophysical environment reflect the multiple layers of past land uses that have occurred in the Rushworth Forest.

scholarly journals The Revival of Sang Hyang Dedari Dance: A Phenomenological Approach To Social-Ecological Reconstruction in Bali

2017 ◽  
Vol 1 (1) ◽  
pp. 72
Author(s):  
LG Saraswati Putri
Keyword(s):  
Community Engagement ◽  
Social Relations ◽  
Local Community ◽  
Phenomenological Approach ◽  
The Body ◽  
Ecological Value ◽  
The Social ◽  
Sacred And Profane ◽  
History Of ◽  
Ecological Reconstruction

This research and community engagement investigates an ancient Balinese ritual known as Sang Hyang Dedari. The dance is interrelated to an agricultural aspect of the traditional Balinese living. As the Balinese struggle to maintain their values from the constant threat of modernization and industrialization, this dance reveals the powerful impact of creating an awareness of socio-ecological equilibrium. The effort made by the villagers of Geriana Kauh, Karangasem, displays how local community rebuilds its environment based on their traditional ecological value. Analyzing Sang Hyang Dedari dance through phenomenological approach, thus, it can be discovered how the ritual sustains the social relations. The bodies of the dancers are the center of an elaborate nexus between people, nature and god. To understand how the dualism of sacred and profane bodies, this research utilizes the body theory by Maurice Merleau-Ponty. The importance of phenomenology as a theory relates to the understanding on how the ritual works as an event in its totality. Understanding the unity between the presence of the divine, nature and human. The output of this research and community engagement is a museum built in cooperation between University of Indonesia with the villagers of Geriana Kauh, Karangasem. As the performance and knowledge about Sang Hyang Dedari appeared to be scarce, this museum is a form of collaboration to retrace the history of Sang Hyang Dedari ritual, in an attempt to conserve the ancient knowledge.

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