陕西横山杨界沙遗址发掘简报

杨界沙遗址位于陕西省榆林市横山县雷龙湾乡沙峁村张油坊组,坐落在村南杨界沙地带头道梁、二道梁两座山峁的西坡之上,海拔1152米,面积约5万多平方米。遗址地处黄土高原北缘丘陵沟壑区,北距无定河约2.2千米,东南距     

试论水北遗址仰韶文化遗存的分期

水北遗址位于陕西省彬县炭店乡水北村(图一),面积为12万平方米。1959年,中国社会科学院考古研究所曾对该遗址进行调查,发现有钵、盆、罐、尖底瓶、缸、瓮等遗物[1][2]。2005年陕西省考古研究院等单位对水北遗址进行了发     

河南灵宝市晓坞遗址仰韶文化遗存的试掘

2007年,河南省文物考古研究所调查并试掘了河南灵宝市晓坞遗址,清理出两座仰韶文化早期墓葬。两墓均为长方形竖穴土坑墓,多人二次葬。其中M1内残存79具个体,M2残存17具个体。三门峡地区很少发现仰韶文化的二次葬墓,晓坞遗址墓葬是该地区首次发现的仰韶文化早期的二次葬,具有重要学术价值。     

陕西白水县下河遗址仰韶文化房址发掘简报

2010年,陕西省考古研究院对白水县下河遗址进行了发掘,主要收获为三座大型房址。三座房址均为五边形,有内、外两层墙体,使用料礓石烧制的白灰铺设地面。房址内出土遗物以陶器为主,另有石器、骨器和蚌器。这三座房址的发掘,对研究仰韶时期的建筑技术以及该遗址的聚落、经济等具有重要意义。     

郑州市站马屯遗址仰韶文化遗存2009～2010年的发掘

2009~2010年的发掘2009年至2010年,河南省文物考古研究所对郑州市南郊站马屯遗址进行了发掘。其中Ⅱ区发现丰富的仰韶晚期秦王寨文化遗存,遗迹有灰坑、墓葬、灰沟、瓮棺葬、房基、水井、陶窑、陶灶和围栏等,出土遗物有陶器、石器和骨器。站马屯仰韶遗存的发掘,进一步补充了郑州地区仰韶晚期秦王寨文化的内涵。     

试论河北补要村遗址仰韶文化晚期遗存

长期以来,由于材料的局限,人们对冀中南地区仰韶晚期考古学文化面貌的认识是较为模糊的。20世纪80年代,有学者曾将这一时期该地区的考古学文化暂且归属于仰韶文化大司空类型[1],以当时可见的材料,最大限度并具高度概括性地描述了冀中南地区仰韶文化晚期的文化面貌。随着资料的     

基于仰韶水泥的砂岩石窟裂隙灌浆材料物理力学特性研究

为寻找适宜砂岩石窟岩体裂隙灌浆的材料,进行了基于仰韶水泥的砂岩石窟岩体裂隙灌浆材料室内筛选。研究表明,以烧料礓石为胶凝材料,以偏高岭土、石英砂为填料的浆液可作为砂岩石窟裂隙灌浆的初选材料。进一步试验表明,当浆液材料添加总质量10%膨胀剂后,最优的配比为烧料礓石、偏高岭土、石英砂以质量比1∶0.6∶0.4,最佳水灰比为0.5~0.6。针对该配比的灌浆材料开展物理力学特性测试及耐候性试验,结果表明,该种配比的浆液结石体除具有孔隙率大、收缩小、强度好的特点外,还具有较好的抵御温湿度循环、冻融循环及盐碱侵蚀等的能力,是一种较为适宜的砂岩石窟裂隙灌浆材料。研究结果也可为类似石窟岩体裂隙灌浆材料的选择作参考。     

河南罗山县擂台子遗址发掘简报

擂台子遗址位于河南省罗山县城西偏北16公里处。1991年秋,为探讨淮河流域古代文化面貌及与周邻文化相互关系这一学术课题,河南省文物考古研究所等对该遗址进行了发掘,发掘面积75平方米。其文化遗存可分三期,年代分别相当于仰韶文化晚期、龙山文化中晚期、商末周初。     

Migration of Mn-rich fluids through normal faults and fine-grained terrigenous sediments during early development of the Neogene Vallès-Penedès half-graben (NE Spain)

The Miocene siliciclastic sediments infilling the Vallès‐Penedès half‐graben are affected by two sets of structures developed during the extensional tectonics that created the basin. The first set, represented by extension fractures infilled with mud and sands, is attributed to seismically induced liquefaction. The second set, represented by normal faults, corresponds to a high‐permeability horsetail extensional fracture mesh developed near the surface in the hanging walls of normal faults. The incremental character of the vein‐fills indicates episodic changes in the tectonic stress state and fault zone permeability. Two episodes of fluid migration are recorded. The first episode occurred prior to consolidation and lithification when shallow burial conditions allowed oxidizing meteoric waters to flow horizontally through the more porous and permeable sandy layers. Development of clastic dikes allowed local upward flow and dewatering of the sandy beds. Liquefaction and expulsion of fluids were probably driven by seismic shaking. During the first episode of fluid migration there was no cementation of the sandstone or within the fractures, probably because little fluid was mobilized by the predominantly compaction‐driven flow regime. The second episode of fluid migration occurred synchronously with normal fault development, during which time the faults acted as fluid conduits. Fluids enriched in manganese, probably leached from local manganese oxyhydroxides soon after sedimentation, moved laterally and produced cementation in the sandstone layers, eventually arriving at the more porous and permeable fault pathways that connected compartments of different porosities and permeabilities. Carbonate probably precipitated in fractures saturated with meteoric water near the ground surface at a transitional redox potential. Once the faults became occluded by calcite cement, shortly after fault development, they became barriers to both vertical and horizontal fluid flow.     

河南灵宝市西坡遗址墓地2005年发掘简报

西坡遗址位于河南省灵宝市阳平镇西坡村西北,坐落于铸鼎原南部,北距黄河约8公里,南距秦岭山脉北坡约4公里,东、西两侧分别为沙河的支流夫夫河与灵湖河,地势西南高、东北低,海拔456～475米,四周多为断