Conventional borehole image log interpretation of linear fractures on volcanic rocks,represented as sinusoids on unwrapped cylinder projections,is relatively straight-forward,however,interpreting non-linear rock struc...Conventional borehole image log interpretation of linear fractures on volcanic rocks,represented as sinusoids on unwrapped cylinder projections,is relatively straight-forward,however,interpreting non-linear rock structures and complex facies geometries can be more challenging.To characterize diverse volcanic paleoenvironments related to the formation of the South American continent,this study presents a new methodology based on image logs,petrography,seismic data,and outcrop analogues.The presented methodology used pseudo-boreholes images generated from outcrop photographs with typical igneous rock features worldwide simulating 2D unwrapped cylinder projections of a 31 cm(12.25 in)diameter well.These synthetic images and standard outcrop photographs were used to define morphological patterns of igneous structures and facies for comparison with wireline borehole image logs from subsurface volcanic and subvolcanic units,providing a“visual scale”for geological evaluation of volcanic facies,significantly enhancing the identification efficiency and reliability of complex geological structures.Our analysis focused on various scales of columnar jointing and pillow lava lobes with additional examples including pahoehoe lava,ignimbrite,hyaloclastite,and various intrusive features in Campos,Santos,and Parnaíba basins in Brazil.This approach increases confidence in the interpretation of subvolcanic,subaerial,and subaqueous deposits.The image log interpretation combined with regional geological knowledge has enabled paleoenvironmental insights into the rift magmatism system related to the breakup of Gondwana with associated implications for hydrocarbon exploration.展开更多
基于系统功能语言学中的及物性系统理论,以UAM Corpus Tool、SPSS为研究工具,用定性与定量相结合的方法,将微观语言分析与宏观话语建构相结合,从过程、参与者、环境三个路径探究“村BA”海外报道塑造的贵州形象。研究发现,外媒对贵州态...基于系统功能语言学中的及物性系统理论,以UAM Corpus Tool、SPSS为研究工具,用定性与定量相结合的方法,将微观语言分析与宏观话语建构相结合,从过程、参与者、环境三个路径探究“村BA”海外报道塑造的贵州形象。研究发现,外媒对贵州态度总体上是积极正向的;“村BA”海外新闻报道中塑造了热爱体育、开放包容、蓬勃发展的贵州形象。从语言学视角分析贵州形象“他塑”,拓宽了贵州形象研究内容,可以为贵州形象“他塑”的研究提供一定借鉴。展开更多
文摘Conventional borehole image log interpretation of linear fractures on volcanic rocks,represented as sinusoids on unwrapped cylinder projections,is relatively straight-forward,however,interpreting non-linear rock structures and complex facies geometries can be more challenging.To characterize diverse volcanic paleoenvironments related to the formation of the South American continent,this study presents a new methodology based on image logs,petrography,seismic data,and outcrop analogues.The presented methodology used pseudo-boreholes images generated from outcrop photographs with typical igneous rock features worldwide simulating 2D unwrapped cylinder projections of a 31 cm(12.25 in)diameter well.These synthetic images and standard outcrop photographs were used to define morphological patterns of igneous structures and facies for comparison with wireline borehole image logs from subsurface volcanic and subvolcanic units,providing a“visual scale”for geological evaluation of volcanic facies,significantly enhancing the identification efficiency and reliability of complex geological structures.Our analysis focused on various scales of columnar jointing and pillow lava lobes with additional examples including pahoehoe lava,ignimbrite,hyaloclastite,and various intrusive features in Campos,Santos,and Parnaíba basins in Brazil.This approach increases confidence in the interpretation of subvolcanic,subaerial,and subaqueous deposits.The image log interpretation combined with regional geological knowledge has enabled paleoenvironmental insights into the rift magmatism system related to the breakup of Gondwana with associated implications for hydrocarbon exploration.
文摘基于系统功能语言学中的及物性系统理论,以UAM Corpus Tool、SPSS为研究工具,用定性与定量相结合的方法,将微观语言分析与宏观话语建构相结合,从过程、参与者、环境三个路径探究“村BA”海外报道塑造的贵州形象。研究发现,外媒对贵州态度总体上是积极正向的;“村BA”海外新闻报道中塑造了热爱体育、开放包容、蓬勃发展的贵州形象。从语言学视角分析贵州形象“他塑”,拓宽了贵州形象研究内容,可以为贵州形象“他塑”的研究提供一定借鉴。
