狗頭金是天然產出、質地不純的、顆粒大而形態不規則的塊金。它通常由自然金、石英和其他礦物集合體組成。有人以其形似狗頭，稱之為狗頭金。有人以其形似馬蹄，稱之為馬蹄金;但多數通稱這種天然塊金為狗頭金。
Goutoujin is a natural, impure, large and irregular lump of gold. It is usually composed of natural gold, quartz and other mineral aggregates. Some people call it goutoujin because it looks like a dog's head. Some people call it horseshoe gold because it looks like horseshoe; However, most of the Nuggets are commonly referred to as goutoujin.
根據統計資料，世界上已發現大于10公斤的狗頭金約有8000～10000塊。數量最多的國家首推澳大利亞，占狗頭金總量的80%。其中最大的一塊重達78公斤的狗頭金也產于澳大利亞。
According to statistics, there are about 8000-10000 pieces of dog head gold larger than 10kg in the world. The largest number of countries is Australia, accounting for 80% of the total amount of goutoujin. One of the largest pieces of dog head gold weighing 78 kg is also produced in Australia.
據我國著名的金礦勘查專家、高級工程師孫培基介紹，1909年在四川鹽源縣發現15.5公斤的狗頭金;1927年在四川松潘縣發現21.9公斤的狗頭金。1989年在青海大通縣發現的重達7.74公斤的狗頭金，是建國后發現的最大天然金塊，堪稱稀世罕見的“國寶”。
According to sun Peiji, a famous gold exploration expert and senior engineer in China, 15.5 kg of Goutou gold was discovered in Yanyuan County, Sichuan Province in 1909; In 1927, 21.9 kg of goutoujin was found in Songpan County, Sichuan Province. In 1989, Goutou gold, weighing 7.74 kg, was discovered in Datong County, Qinghai Province. It is the largest natural gold nugget discovered after the founding of the people's Republic of China, and can be called a rare "national treasure".
此件狗頭金，為純天然的，其表面成片狀分布著金子，在燈光的照耀下閃著金光。雖然石頭表面只有部分地方分布有金子，實際上整塊石頭都含有金子，只不過表面所含純金度比較高。
This piece of Goutou gold is pure natural, and its surface is covered with pieces of gold, shining in the light. Although only part of the surface of the stone is covered with gold, in fact, the whole stone contains gold, but the pure gold content on the surface is relatively high.
金錠有價、狗頭無價。有一定重量、結晶完整的金礦物晶體價格，比金礦石高出數倍乃至幾十倍。狗頭金成因研究對解決金在表生條件下，伴機械遷移、沉積與溶液狀態遷移、沉淀過程，有重要認識價值。“狗頭金”都是稀世珍寶，不僅具有很高的科研價值，還具有收藏和觀賞價值。其價格一般是足金價格的十幾倍，甚至幾十倍。
Gold ingots are valuable, but dog heads are priceless. The price of gold mineral crystal with certain weight and complete crystal is several times or even dozens of times higher than that of gold ore. The study on the genesis of Goutou gold is of great significance to solve the problem of gold accompanied by mechanical migration, deposition, solution state migration and precipitation under supergene conditions“ "Goutoujin" is a rare treasure, not only has high scientific research value, but also has collection and ornamental value. Its price is generally more than ten times, or even dozens of times, of the full price.
如今世界各國都以有狗頭金為自豪和驕傲。這種狗頭金可遇而不可求，一旦發現都會被當成珍寶留存下來，因此極具收藏價值。相傳清朝時，地方官員為了博得老佛爺的歡心，曾想挖一塊狗頭金送給她做生日禮物。他們發動了許多人找狗頭金也沒有找到，離過生日的日子越來越近，最后只好作罷。可見這種東西可遇而不可求。
Nowadays, all countries in the world are proud of the dog head gold. This kind of dog head gold can be found but not sought. Once it is found, it will be preserved as a treasure, so it is of great collection value. It is said that in the Qing Dynasty, in order to win the favor of the Buddha, local officials once wanted to dig a piece of dog head gold to give her as a birthday gift. They started many people to look for goutoujin, but they didn't find it. It was getting closer and closer to their birthday, so they had to give up at last. It can be seen that this kind of thing can be met but not sought.
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