Definition of a new geologic period for the Iast interval of the Proterozoic Eon, the Ediacaran, was recently ratified by the IUGS. The Ediacaran Period is the first Proterozoic period to be recognized on the basis of...Definition of a new geologic period for the Iast interval of the Proterozoic Eon, the Ediacaran, was recently ratified by the IUGS. The Ediacaran Period is the first Proterozoic period to be recognized on the basis of chronostratigraphic criteria, the first internationally ratified, chronostratigraphically defined period of any age to be introduced in more than 120 years, and the first to be defined by a “golden spike” in the Southern hemisphere.展开更多
Subei-Huainan in the southeastern margin of the North China platform is a key area of convergence of China’s north-south stratigraphic correlation of Neoproterozoic.Due to the lack of fossils,the Neoproterozoic strat...Subei-Huainan in the southeastern margin of the North China platform is a key area of convergence of China’s north-south stratigraphic correlation of Neoproterozoic.Due to the lack of fossils,the Neoproterozoic stratigraphic correlation is still a difficulty in this area.The division of Neoproterozoic strata and the establishment of the correlation framework of the stratigraphic sequences have been done through recognizing the regularity of meter-scale cycles by measuring the outcrop of Neoproterozoic strata and using the Fischer diagram and the sea-level curve of transgressive-regressive by the maximum flooding sedimentary and molar teeth carbonate sedimentary.The maximum flooding sedimentary which becomes cycle sequence comparison of sign is isochronous in the same basin and is a key of cycle sequence comparison although paleogeographic environment and sedimentary sequence may be different in the sedimentary strata of the same geologic time.Molars carbonates,having specific geological distrution time and depositional environment and mainly developing in the ramp environment of the platform edge in the 1500-650 Ma,are the new symbol of the stratigraphic correlation in the Neoproterozoic.Because of the missing of the fossil record,the maximum flooding and the molar-teeth carbonate sedimentary,as the new research ideas,are used in stratigraphic division and correlation.展开更多
Rainwater tanks have been an integral part of the Australian landscape given the vital role these tanks have played over the years in rural Australia. In the past Local government and Water Authorities actively discou...Rainwater tanks have been an integral part of the Australian landscape given the vital role these tanks have played over the years in rural Australia. In the past Local government and Water Authorities actively discouraged the use of rainwater tanks and informing citizens that they were illegal and dangerous. Kogarah Council within the Sydney metropolitan area is a proactive Council, and became the first council in Sydney to adopt Total Water Cycle Management （TWCM） principles into its Sustainability Management Plan, integrating these principles into on-ground projects at a catchment level in a planned and strategic approach. Among it priority projects was the Rainwater Tanks in Schools. This paper outlines how this project assisted all 22 schools in the Kogarah LGA （The Local Government Association） to increase the efficiency of water use and install rainwater tanks to reduce potable water use in toilet flushing and irrigating school gardens. The rainwater harvesting reduced the amount of drinking water used for toilet flushing and/or irrigation. The rainwater tanks also act as a visual reminder to conserve water for the students. The project has equipped the next generation with the necessary tools to make informed decisions and undertake actions that will move towards achieving sustainability.展开更多
文摘Definition of a new geologic period for the Iast interval of the Proterozoic Eon, the Ediacaran, was recently ratified by the IUGS. The Ediacaran Period is the first Proterozoic period to be recognized on the basis of chronostratigraphic criteria, the first internationally ratified, chronostratigraphically defined period of any age to be introduced in more than 120 years, and the first to be defined by a “golden spike” in the Southern hemisphere.
基金Project(XN2014119) supported by Northeast Petroleum University Cultivation Foundation of ChinaProject(U1262106) supported by the National Natural Science Joint Foundation of China
文摘Subei-Huainan in the southeastern margin of the North China platform is a key area of convergence of China’s north-south stratigraphic correlation of Neoproterozoic.Due to the lack of fossils,the Neoproterozoic stratigraphic correlation is still a difficulty in this area.The division of Neoproterozoic strata and the establishment of the correlation framework of the stratigraphic sequences have been done through recognizing the regularity of meter-scale cycles by measuring the outcrop of Neoproterozoic strata and using the Fischer diagram and the sea-level curve of transgressive-regressive by the maximum flooding sedimentary and molar teeth carbonate sedimentary.The maximum flooding sedimentary which becomes cycle sequence comparison of sign is isochronous in the same basin and is a key of cycle sequence comparison although paleogeographic environment and sedimentary sequence may be different in the sedimentary strata of the same geologic time.Molars carbonates,having specific geological distrution time and depositional environment and mainly developing in the ramp environment of the platform edge in the 1500-650 Ma,are the new symbol of the stratigraphic correlation in the Neoproterozoic.Because of the missing of the fossil record,the maximum flooding and the molar-teeth carbonate sedimentary,as the new research ideas,are used in stratigraphic division and correlation.
文摘Rainwater tanks have been an integral part of the Australian landscape given the vital role these tanks have played over the years in rural Australia. In the past Local government and Water Authorities actively discouraged the use of rainwater tanks and informing citizens that they were illegal and dangerous. Kogarah Council within the Sydney metropolitan area is a proactive Council, and became the first council in Sydney to adopt Total Water Cycle Management （TWCM） principles into its Sustainability Management Plan, integrating these principles into on-ground projects at a catchment level in a planned and strategic approach. Among it priority projects was the Rainwater Tanks in Schools. This paper outlines how this project assisted all 22 schools in the Kogarah LGA （The Local Government Association） to increase the efficiency of water use and install rainwater tanks to reduce potable water use in toilet flushing and irrigating school gardens. The rainwater harvesting reduced the amount of drinking water used for toilet flushing and/or irrigation. The rainwater tanks also act as a visual reminder to conserve water for the students. The project has equipped the next generation with the necessary tools to make informed decisions and undertake actions that will move towards achieving sustainability.
