<h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">隕石雖有上千年的發(fā)現(xiàn)即使用史，但隕石文化的形成不過百年，收藏界一直存在許多誤區(qū)，如隕石必須有熔殼、必須光滑沒有棱角、比重一定很大、有固定色彩且一定有磁性等認(rèn)知，這些說法單獨(dú)來看或許是有道理的，但如果不加分析，脫離實(shí)際環(huán)境，時(shí)間久了易形成隕石收藏的弊端和誤區(qū)。</span><br></h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">究竟如何看待上述問題呢？在隕石收藏中要遵循具體問題具體分析的原則，結(jié)合隕石隕落歷史和隕落環(huán)境進(jìn)行分析。<br style="max-width: 100%; -webkit-tap-highlight-color: transparent; word-wrap: break-word !important; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">隕石隕落規(guī)模，隕石隕落事件，隕石保存環(huán)境會(huì)影響我們對(duì)隕石的鑒定于甄別。隕石的各種條件不可能在一塊隕石上全部體現(xiàn)，具備兩點(diǎn)以上隕石特征和因素，結(jié)合隕石歷史和隕落環(huán)境，也可以進(jìn)行是否隕石的鑒別。</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">隕落規(guī)模</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">隕石爆炸各個(gè)過程中對(duì)于隕石形態(tài)的作用是巨大的。隕石初次碰撞爆炸時(shí)隕石的體積多是較大的，之后在隕落過程中會(huì)發(fā)生陸續(xù)發(fā)生多次爆炸，體積逐漸減小。大塊隕石在隕落過程中，由于摩擦，相互碰撞和燃燒因素體積逐漸減少。著名的鐵牛石鐵隕石重量在3.72噸，而在有些隕石隕落地域隕石的大小幾乎是米粒大小。</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">巨大的隕石經(jīng)過高空隕落過程后呈現(xiàn)出圓滑和完美的熔殼，而地空爆炸隕石由于高度和距離問題沒有經(jīng)過劇烈摩擦和燃燒，于是棱角分明，沒有熔殼的隕石產(chǎn)生了。</h3> <h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">高溫作用使隕石分解出一定的硫化物，并且使得隕落地泥土成分發(fā)生改變，在隕落環(huán)境中繼續(xù)發(fā)生氧化作用，一些熔殼開始脫落，本來沒有熔殼的隕石中裸露的鐵元素開始輕微生銹，呈現(xiàn)棕紅和褐紅的色彩。但是這樣的隕石中的磁性和比重依然如故，沒有隕石的一兩個(gè)明顯特征并不影響依然是隕石的身份。</span><br></h3> <h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">綜上所述，隕石爆炸的規(guī)模宏大，一些隕石由于低空爆炸沒有經(jīng)過劇烈摩擦和燃燒熔殼的特征就不顯著，部分高空爆炸的隕石經(jīng)過劇烈摩擦和燃燒則呈現(xiàn)圓滑的形態(tài)，熔殼完整。而另外一些小碎塊則幾乎燃燒殆盡，成為質(zhì)量小的殼狀物。</span><br></h3> <h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">現(xiàn)在我們能夠發(fā)現(xiàn)的多是最后一類經(jīng)過劇烈燃燒的隕石殘骸，而品質(zhì)很高散落地面的隕石多被當(dāng)作純鐵直接加工或使用了。偶爾有地下發(fā)現(xiàn)的隕石，品質(zhì)完美，多屬于高空爆炸經(jīng)過燃燒進(jìn)入大氣層冷卻后形成熔殼，并直接射入地下。</span><br></h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">客觀地理?xiàng)l件</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">區(qū)別是否隕石還要看疑似隕石的藏身環(huán)境，這也是正確判斷是否隕石的先決條件?？茖W(xué)家非常重視沒有經(jīng)過人為動(dòng)過的隕石的研究。是否礦石要看有無礦床，附近地理是否有鐵礦存在，而孤零零一塊懸浮于泥土中并且有具備隕石特征的石頭很容易辨別。</h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">往往在一定的范圍、一個(gè)相對(duì)的深度內(nèi)，我們能夠發(fā)現(xiàn)一些典型的隕石隱藏在泥土層中，具體深度是根據(jù)隕石體積和重量決定的：重量大則入土深，體積小重量小則入土淺。有些小塊隕石由于長(zhǎng)期水土流失作用或耕種因素逐漸露出地面，而一些從未挖掘過的地方多隱藏者保持原始隕落狀態(tài)的隕石，在機(jī)械化施工過程中，不時(shí)可以看到這種情況。<br style="max-width: 100%; -webkit-tap-highlight-color: transparent; word-wrap: break-word !important; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">爆炸高度</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">有些朋友依據(jù)隕石必須有氣印、熔坑來判斷是否是隕石也是值得推敲的。在隕石大爆炸過程中，高度、摩擦及燃燒等條件都決定是否產(chǎn)生氣印和熔坑。</h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">高度是前提條件，沒有高度就沒有這些特征，但不能否認(rèn)隕石的性質(zhì)。鐵牛石鐵隕石布滿巨大的熔坑說明有足夠的高度，并非是宇宙中沒有空氣就沒有熔坑，而許多零散隕石碎塊則相應(yīng)的體現(xiàn)出微小的熔坑和氣印，這也是由于高度不足所造成的。</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">色彩和磁性</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">一般來說隕石的顏色多為黑色或褐色，而紅色和藍(lán)色的隕石也是存在的，并且，有些隕石由于硫化物的緣故呈現(xiàn)淺黃色，所以隕石唯色彩論也是不科學(xué)的，隕石隕落環(huán)境有時(shí)也會(huì)因地質(zhì)或礦物的作用而改變本身的色彩。</h3> <h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">在隕石收藏以及研究中，經(jīng)常出現(xiàn)關(guān)于隕石磁性問題的爭(zhēng)執(zhí)。國(guó)內(nèi)外隕石研究機(jī)構(gòu)一般都以是否有磁性作為主要鑒定因素，個(gè)別隕石愛好者提出的隕石不一定要有磁性的觀點(diǎn)沒有受到重視。那么，隕石是否必須要有磁性呢？實(shí)踐中，我們發(fā)現(xiàn)在同一隕石隕落區(qū)域里，有些隕石具有磁性，而有些又不具備磁性特征。</span><br></h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">無磁性隕石的觀點(diǎn)，實(shí)際也是可行的。磁性并非是唯一的特征，從隕落地點(diǎn)，從隕石成分幾乎一致的情況下，磁性與非磁性交融的情況判斷，無論是強(qiáng)磁還是微弱磁性，甚至是無磁性都不影響隕石的真實(shí)身份。綜合其他特征判定，具備其中幾點(diǎn)依然可以作出正確判斷，輔助于先進(jìn)的檢驗(yàn)技術(shù)，磁性的有無不應(yīng)該成為是否隕石的主要特征。</h3><h3><br></h3> <p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">隕石來源不同，隕石爆炸的形式不同，隕石的成分也就不同。由于各地零星隕石的發(fā)現(xiàn)與大規(guī)模隕石爆炸隕石形態(tài)的差異，一些隕石愛好者習(xí)慣于研究自己視覺范圍內(nèi)的隕石，這樣就得出有失偏頗的結(jié)論，甚至出現(xiàn)簡(jiǎn)單的否定和排斥問題。</h3><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%; word-wrap: break-word !important;">用固定的形態(tài)去收藏隕石是不可取的，外觀與內(nèi)在同樣能夠說明問題，在形態(tài)不能確定時(shí)，分析檢驗(yàn)就成為另一種有效的鑒別手段，這也是由疑似到隕石的必然過程。</h3> <h3><span style="color: rgb(51, 51, 51); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 18.530000686645508px; letter-spacing: 0.592960000038147px; text-align: justify; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: 109%;">理論是死的，實(shí)踐是活的。借鑒國(guó)內(nèi)外一切隕石研究成果，從宏觀角度去分析和認(rèn)識(shí)隕石，本著具體問題具體分析的原則，在理論與實(shí)踐中探索隕石奧秘，必將走出收藏和研究的誤區(qū)。隕石的形態(tài)是多姿多彩的，也是千奇百怪的，星友們，快快行動(dòng)起來，尋找專屬于自己的璀璨“明星”吧！</span><br></h3> <h3>文字內(nèi)容轉(zhuǎn)自滿天星的春天，圖片來自網(wǎng)絡(luò)。</h3>