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Pandey, Pradeep
- Peperite Occurrence and its Implications on Origin and Temporal Development of the Proterozoic Dhala Basin, Mohar Area, Shivpuri District, Madhya Pradesh
Authors
1 Atomic Minerals Directorate for Exploration and Research, West Block VII, R.K. Puram, New Delhi - 110 067, IN
2 Atomic Minerals Directorate for Exploration and Research, AMD Complex, 1-10-153/156, Begumpet, Hyderabad - 500 016, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 77, No 2 (2011), Pagination: 183-189Abstract
In the western part of Bundelkhand massif, a caldera with intra-caldera sediments, known as Dhala Formation, occurs as an outlier in and around Mohar village of Shivpuri district, Madhya Pradesh. For the first time, occurrence of peperite is being reported from the basal part of the Dhala sediment. Two types of peperites have been recognized: blocky and fluidal or globular with variable morphology. In peperitic zones, features like soft sediment deformations, presence of sediment into the rhyolite along cracks, vesiculation of the sediments and other evidences suggestive of sediment fluidization are some definite characteristics of interaction of hot magma with wet sediments forming peperite. The occurrence of peperites reflects the contemporaniety of deposition of the Dhala sediments and volcanism, which is well in accordance to the volcanic origin of Dhala structure. Further, the nature of unconformity between the Dhala and overlying Kaimur which is characterized by merely a few centimeter thick pebbly/conglomeratic bed does not appear to represent a large hiatus as expected between the Semri and Kaimur of Vindhyan Supergroup. So, the contemporaniety of the Dhala Formation (at least the lower part) as reflected by occurrence of peperites, coupled with the available age of the rhyolite and the nature of the unconformity between the Dhala and overlying Kaimur provide convincing evidence to correlate the Dhala Formation with the Lower part of the Kaimur and unlikely with the Semri Group or Bijawar as proposed earlier.Keywords
Caldera, Peperites, Dhala Sediment, Bundelkhand, Vindhyans, Madhya Pradesh.- Revolutionary Changes in Traditional Drawing Tools : A Literature Review
Authors
1 Department of Mass Communication, SMFE, Sharda University, Greater Noida, Uttar Pradesh, IN
2 Department of Physiotherapy, SAHS, Sharda University, Greater Noida, Uttar Pradesh, IN
Source
Journal of Scientific and Technical Research (Sharda University, Noida), Vol 11, No 1 (2021), Pagination: 40-42Abstract
First thing that springs to mind whenever we think of drawing and sketching is a wooden stick called a graphite pencil. It was in 1795 that the Graphite Pencil made its debut. Graphite pencils have been around since the 18th century and are currently going strong in the 21st century. We all know that even in the 21st century, we cannot ignore the pencil’s presence and significance. We were taught how to write and draw by the pencil from the very first day of school.
Artists have long sought for new art forms, materials, techniques, and instruments. Because everything is moving so quickly in the digital age, artists are also looking for rapid and time-efficient results in their artwork. Thanks to improved technology, artists now have a better digital drawing tool. Using a digital drawing tool is quite comparable to using a traditional drawing pencil in the traditional sense.
In this post, we’ll take a look at several cutting-edge digital drawing tools and explain how they might benefit artists.
Keywords
I-Pad and Cintiq, Pen Tablet, Stylus in Mobile, Traditional Drawing Tool.References
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- S. Mizuno, D. Kobayashi, M. Okada, J. I. Toriwaki, and S. Yamamoto, “Carving, painting, and printing with a pen tablet,” in Eurographics (Short Presentations), 2005, pp. 21-24.
- N. Y. W. Cheng, and A. McKelvey, “Learning design with digital sketching,” in Computer Aided Architectural Design Futures 2005, Springer, Dordrecht¸ 2005, pp. 291-300.
- N. Souleles, “iPad versus traditional tools in art and design: A complementary association,” British Journal of Educational Technology, vol. 48, no. 2, pp. 586-597, 2017.
- M. D. Carey, and S. Moucha, Illustrating/Writing Graphic Novels: Going Completely Digital. 2012.
- M. Nijboer, M. Gerl, and T. Isenberg, “Interaction concepts for digital concept sketching,” in Poster Presentations of the Seventh International Symposium on Non-Photorealistic Animation and Rendering, NPAR, New Orleans, USA, 2009.